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    California King 12" Foam Mattress - Brooklyn Bedding Plush | 75 H x 39 W 12 D in Wayfair WS12P67-CK

    California King 12" Foam Mattress - Brooklyn Bedding Plush | 75 H x 39 W 12 D in Wayfair WS12P67-CK

    Set the stage for the good night's rest you deserve with this 12" Plush Innerspring Mattress. It offers a plush comfort level through its four layers: two inches of base foam, six inches of individually pocketed coils, three inches of soft premium... more

    $1,099.00 $479.99

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    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington Cushion | 84 H x 72 W 12 D in Wayfair FG-36001-TT1-CKH

    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington Cushion | 84 H x 72 W 12 D in Wayfair FG-36001-TT1-CKH

    The Prime collection provides luxury sleep at an exceptional value. Featuring consistent, edge-to-edge support, the Prime Owington Cushion Firm features additional layers of comfort added just beneath the luxury cooling cover. The Cushion Firm medium... more

    $1,445.00 $1,242.00

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    Best Seller
    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950862

    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950862

    An upgraded spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Firm feel. Mattress... more

    $1,720.00 $1,429.99

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    Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751

    Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751

    "Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751 Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress. Pressure point relief is delivered via each of the... more

    $403.69

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    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 84 H x 72 W 12.5 D in Wayfair

    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 84 H x 72 W 12.5 D in Wayfair

    This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

    $1,800.00 $1,469.99

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    California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951262

    California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951262

    An upgraded spring mattress with motion-reducing encased coils targeted back and core support and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool and your mattress protected. Soft feel. Mattress... more

    $1,720.00 $1,399.99

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    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9870

    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King 12" Innerspring... more

    $2,400.00 $1,630.00

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    California King Extra Firm 12" Innerspring Mattress - Sealy Posturepedic Plus firm | 84 H x 72 W 12 D in Wayfair 52728362

    California King Extra Firm 12" Innerspring Mattress - Sealy Posturepedic Plus firm | 84 H x 72 W 12 D in Wayfair 52728362

    We believe a better quality mattress leads to better quality sleep and a better quality of life. This ultra-firm, cooling mattress delivers a breakthrough in pressure-relieving comfort. Sleep better on this mattress. Mattress Size: California King |... more

    $1,899.00 $1,299.99

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    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington | 84 H x 72 W 12 D in Wayfair FG-36000-TT1-CKH

    California King Firm 12" Innerspring Mattress - Kingsdown Prime Owington | 84 H x 72 W 12 D in Wayfair FG-36000-TT1-CKH

    The Prime collection provides luxury sleep at an exceptional value. Featuring consistent, edge-to-edge support with a luxury cooling cover, this firm is assured to transform your nights into great days. For those preferring stronger support while... more

    $1,483.00 $1,242.00

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    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9970

    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9970

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King Extra Firm... more

    $2,295.00 $1,580.00

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    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9870

    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King Medium 12"... more

    $2,400.00 $1,630.00

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    California King Medium 12" Innerspring Mattress - Alwyn Home | 12",California Wayfair 3247FC0C5EDD4C47B17E74F92A3E2B14

    California King Medium 12" Innerspring Mattress - Alwyn Home | 12",California Wayfair 3247FC0C5EDD4C47B17E74F92A3E2B14

    If even and perfectly cushioned support strikes your fancy, then the foam and spring mattress is your ticket to many well-rested mornings to come. Featuring a fiber quilted cover, CertiPUR-US certified high-density, Viscolatex foams, and a base layer... more

    $441.80 $257.99

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    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 | 12 D in Wayfair 700810102-1070

    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 | 12 D in Wayfair 700810102-1070

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Extra Firm 12" Innerspring Mattress - Beautyrest... more

    $1,682.00 $1,099.99

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    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top | 84 H x 72 W 12.5 D in Wayfair 52952562

    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top | 84 H x 72 W 12.5 D in Wayfair 52952562

    This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

    $1,500.00 $1,169.99

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    California King Medium 12" Hybrid Mattress - Sealy Cool w/ CopperChill Technology in Brown | 84 H x 72 W 12 D Wayfair F03-00131-CK0

    California King Medium 12" Hybrid Mattress - Sealy Cool w/ CopperChill Technology in Brown | 84 H x 72 W 12 D Wayfair F03-00131-CK0

    Sealy was among the first to create the hybrid, pairing the best qualities of innerspring and memory foam mattresses to deliver best-of-both-worlds comfort. Carefully engineered coils adapt and support every part of your body, while specialty foams... more

    $1,199.00 $629.99

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    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 | 84 H x 53 W 12 D in Wayfair 700810103-1070

    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 | 84 H x 53 W 12 D in Wayfair 700810103-1070

    Better you begin with a better night's sleep. The lasting resilience of Beauty rest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Medium 12" Innerspring Mattress - Beautyrest Silver... more

    $1,787.00 $1,229.99

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    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top | 84 H x 72 W 12 D in Wayfair 52950562

    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top | 84 H x 72 W 12 D in Wayfair 52950562

    Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium Feel. Mattress Size: California King... more

    $1,300.00 $1,039.99

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    California King 12" Hybrid Mattress - Signature Design by Ashley Chime Ultra Plush | 12 D in Wayfair M69751

    California King 12" Hybrid Mattress - Signature Design by Ashley Chime Ultra Plush | 12 D in Wayfair M69751

    Enjoy endless possibilities for restful sleep with this hybrid innerspring mattress. High-density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. Hypoallergenic material is ideal for sufferers of... more

    $635.99 $549.99

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    California King Medium 12" Hybrid Mattress - Sleep Inc. Solutions | 83 H x 71 W 12 D in Wayfair S70512E-1070

    California King Medium 12" Hybrid Mattress - Sleep Inc. Solutions | 83 H x 71 W 12 D in Wayfair S70512E-1070

    Get total comfort at a cozy price with the Sleep Inc. Sleep Solutions 12" Hybrid Mattress. Sleep Inc. hybrid mattresses combine cradling cool gel memory foam with traditional innerspring to give you the support you are used to with the pressure relief... more

    $990.00 $549.99

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    California King 12.75" Innerspring Mattress - Beautyrest BR800 Plush Euro Top | 80 H x 54 W 11 D in Wayfair 700810005-1070

    California King 12.75" Innerspring Mattress - Beautyrest BR800 Plush Euro Top | 80 H x 54 W 11 D in Wayfair 700810005-1070

    Get more from your sleep. This 11" Plush Innerspring Mattress combines their legendary Beauty rest Pocketed Coil Technology, Dual Cool Technology, and Gel Memory foam to help you experience a new level of support, comfort, and temperature management.... more

    $1,240.00 $879.99

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    California King Firm 12" Innerspring Mattress - Serta Azure Bay | 84 H x 72 W 12 D in Wayfair 500703511-1070

    California King Firm 12" Innerspring Mattress - Serta Azure Bay | 84 H x 72 W 12 D in Wayfair 500703511-1070

    There is nothing better than waking up after an entire night of supported and comfortable sleep. That's why we've introduced our Azure Bay 12" Innerspring Firm Tight Top mattress to the world! We've added CoolTwist Gel Foam to promote breathable... more

    $1,103.70 $899.99

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    California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951162

    California King 12" Innerspring Mattress - Sealy Soft Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42951162

    An upgraded spring mattress with motion-reducing encased coils targeted back and core support and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool and your mattress protected. Soft feel. Mattress... more

    $1,720.00 $1,399.99

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    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9970

    California King Medium 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 84 H x 72 W 12 D in Wayfair 700810103-9970

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King Medium 12"... more

    $2,400.00 $1,630.00

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    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9870

    California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set | 80 H x 76 W 12 D in Wayfair 700810102-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King Extra Firm 12"... more

    $2,295.00 $1,590.00

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    California King Medium 12" Hybrid Mattress - Signature Design by Ashley Serena Pocketed Mattress, Polyester | 83 H x 71 W 12 D in Wayfair M59051

    California King Medium 12" Hybrid Mattress - Signature Design by Ashley Serena Pocketed Mattress, Polyester | 83 H x 71 W 12 D in Wayfair M59051

    Enjoy endless possibilities for restful sleep with this hybrid innerspring mattress. You get the best of both worlds: the pressure relief of cooling gel-infused memory foam, coupled with body-contouring pocketed coils for superior support. Rest assured... more

    $766.47 $549.99

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    California King 12" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 84 H x 72 W 12 D in BBC39C43503B4932AAA6978786A72755

    California King 12" Innerspring Mattress - Wayfair Sleep™ Plush Mattress, Polyester | 84 H x 72 W 12 D in BBC39C43503B4932AAA6978786A72755

    This 12" thick mattress has a tight top and low motion transfer, so it's designed to let you stay asleep, even if your partner tosses and turns. Four layers of memory foam and coils give it a plush feeling with a breathable, moisture-wicking design... more

    $489.99 $439.99

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    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush | 80 H x 72 W 12 D in Wayfair 700810104-1070

    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush | 80 H x 72 W 12 D in Wayfair 700810104-1070

    Better you begin with a better night's sleep. The lasting resilience of this mattress ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush... more

    $1,787.00 $1,199.99

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    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950562

    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950562

    Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium feel. Mattress Size: California... more

    $1,600.00 $1,339.99

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    California King 12" Hybrid Mattress - Simmons PeacefulSleep Plush | 79.5 H x 83.5 W 12 D in Wayfair 700812694-1070

    California King 12" Hybrid Mattress - Simmons PeacefulSleep Plush | 79.5 H x 83.5 W 12 D in Wayfair 700812694-1070

    The mattress brings you seriously satisfying sleep at prices that won't break the bank. With a traditional quilted top panel, our innerspring models feature first-rate foams to meet your comfort needs, a base layer for sink-free support, and... more

    $1,427.00 $1,189.99

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    California King Medium 12" Hybrid Mattress - Alwyn Home Kootenai Pillow Top | 84 H x 72 W 12 D in Wayfair 9D42C184853A476A80498F110EE9561E

    California King Medium 12" Hybrid Mattress - Alwyn Home Kootenai Pillow Top | 84 H x 72 W 12 D in Wayfair 9D42C184853A476A80498F110EE9561E

    Enjoy a more restful sleep with this 12" hybrid pocketed coil innerspring euro pillow top mattress. Feel the support and responsiveness of a true pocketed coil hybrid mattress system which contours to your body for a comforting feel. High density,... more

    $779.99

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    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 84 H x 72 W 12.5 D in Wayfair

    California King Medium 12.5" Innerspring Mattress - Sealy Posturepedic Mill Park Tight Top & Box Spring Set | 84 H x 72 W 12.5 D in Wayfair

    This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with a medium feel. A reinforced edge improves durability, while cover treatments help to keep you cool, and the... more

    $1,800.00 $1,469.99

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    California King 12" Innerspring Mattress - Serta Azure Bay Plush Pillow Top | 81 H x 85 W 12 D in Wayfair 500702013-1070

    California King 12" Innerspring Mattress - Serta Azure Bay Plush Pillow Top | 81 H x 85 W 12 D in Wayfair 500702013-1070

    There is nothing better than waking up after an entire night of supported and comfortable sleep. That's why we've introduced our Serta Azure Bay 12" Innerspring Plush Pillow Top mattress to the world! We've added CoolTwist Gel Foam to promote... more

    $1,233.70 $909.99

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    California King Medium 12" Hybrid Mattress - Sleep Innovations Shiloh | 12 D in Wayfair 3073013

    California King Medium 12" Hybrid Mattress - Sleep Innovations Shiloh | 12 D in Wayfair 3073013

    Sleep soundly and supported on our 12-inch, four-layer memory foam and innerspring Shiloh Hybrid Mattress. The combination of an innerspring coil system and cooling gel memory foam provides a balance of support and comfort. A cool-touch cover relaxes... more

    $569.99

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    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950662

    California King Medium 12" Innerspring Mattress - Sealy Posturepedic Mill Street Tight Top & Box Spring Set | 84 H x 72 W 12 D in Wayfair 42950662

    Featuring trusted Sealy quality with targeted back and core support, a reinforced edge for increased durability, and an antibacterial soft knit cover that wicks away moisture and keeps the mattress protected. Medium feel. Box Spring Height: 5, Mattress... more

    $1,600.00 $1,339.99

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    California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium | 84 H x 53 W 12 D in Wayfair 700810101-1070

    California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium | 84 H x 53 W 12 D in Wayfair 700810101-1070

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King | California King Firm 12" Innerspring Mattress - Beautyrest Silver... more

    $1,664.00 $1,169.99

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    California King Firm 12" Foam Mattress - Brooklyn Bedding | 80 H x 60 W 12 D in Wayfair WS12F67-CK

    California King Firm 12" Foam Mattress - Brooklyn Bedding | 80 H x 60 W 12 D in Wayfair WS12F67-CK

    Whether you're a spreader, a curler, or somewhere in between, this 12'' innerspring mattress is here to help you get the rest you deserve. This mattress is crafted with a pocket coil design for a little extra orthopedic support, while the quilted,... more

    $1,099.00 $413.99

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    California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set | 74.5 H x 38 W 12 D in Wayfair 700810101-9870

    California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set | 74.5 H x 38 W 12 D in Wayfair 700810101-9870

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Box Spring Height: Low Profile (5"), Mattress Size: California King | California King Firm 12"... more

    $2,277.00 $1,570.00

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    California King 12" Gel/Foam Mattress - Signature Design by Ashley Ultra Plush Gel Memory Foam & Adjustable Base | 83.46 H x 71 W 12 D in Wayfair

    California King 12" Gel/Foam Mattress - Signature Design by Ashley Ultra Plush Gel Memory Foam & Adjustable Base | 83.46 H x 71 W 12 D in Wayfair

    Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress and adjustable base set. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High-density foam... more

    $3,180.20 $2,100.00

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    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9970

    California King 12" Innerspring Mattress - Beautyrest Silver BRS900 Plush & Box Spring Set | 75 H x 72 W 12 D in Wayfair 700810104-9970

    Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Mattress Size: California King, Box Spring Height: Standard Profile (9") | California King 12"... more

    $2,400.00 $1,630.00

    FREE shipping

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    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top | 84 H x 72 W 12 D in Wayfair 52950762

    California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top | 84 H x 72 W 12 D in Wayfair 52950762

    An upgraded spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Firm feel. Mattress... more

    $1,420.00 $1,099.99

    FREE shipping

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    More information about Mattresses & Boxsprings

    Best prices on Best price mattress 12 premium, Innerspring, California King in Mattresses & Boxsprings online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.