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Alwyn Home Easy Wood Box Spring/Foundation w/ Simple Assembly Wood in Brown | 4.5 H x 71.5 W x 83.5 D in | Wayfair FE3D5A2BEA7E447FAFB3E80B71932310

We are a proud manufacturer of the finest quality mattresses and box springs, with the highest standards in durability, quality, comfort, and beauty. All of our products are to ensure that you get only the best. Size: California King, Profile: Low... more

Alwyn Home Easy Wood Box Spring/Foundation w/ Simple Assembly Wood in Brown | 7.75 H x 71.5 W x 83.5 D in | Wayfair

We are a proud manufacturer of the finest quality mattresses and box springs, with the highest standards in durability, quality, comfort, and beauty. All of our products are to ensure that you get only the best. Size: California King, Profile: Standard... more

California King Medium 10" Innerspring Mattress - White Noise Mattress, Wood | 84 H x 78 W 10 D in Wayfair 27D798A82784490B8A0C339F9B0E90DB

We are a proud manufacturer of the finest quality mattresses & box springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made to ensure that you get only the best! This item is part of our 225 comfort... more

California King Firm 11" Foam Mattress - White Noise Nancy Plush Top Type | 84 H x 76 W 11 D in Wayfair F5A342007E084F008A836164854B665F

We are a proud manufacturer of the finest quality mattresses and box springs, with the highest standards in durability, quality, comfort and beauty. All of our products are made to ensure that you get only the best! This item is part of our luxury... more

California King Medium 10" Innerspring Mattress - White Noise Tight Top Sofa Bed Box Sprin, Wood | King, Split Low Profile (4") Wayfair

We are a proud manufacturer of the finest quality mattresses & box springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made to ensure that you get only the best! This item is part of our 225 comfort... more

Alwyn Home Nazarene 9 Inch Metal Box Spring, Easy Assembly Metal | 9 H x 72 W x 84 D in | Wayfair 900E8D43B803449991805455A2A622EB

This boxspring is designed to provide excellent support under any mattress. We spend a lot of time picking out the right mattress. But they're not the only important part of your bed - you also need the right mattress foundations! Made of metal with a... more

California King Medium 10" Innerspring Mattress - White Noise Tight Top Sofa Bed Box Sprin, Wood | Standard Profile (8"),California Wayfair

We are a proud manufacturer of the finest quality mattresses & box springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made to ensure that you get only the best! This item is part of our 225 comfort... more

California King Medium 10" Gel/Foam Mattress - White Noise Veronica Gel Memory Foam | 84 H x 72 W 10 D in Wayfair CA4BB5C775BF4E9EAD29D914C13A51FD

We are a proud manufacturer of the finest quality mattresses & box springs, with the highest standards in durability, quality, comfort, & beauty. All of our products are made to ensure that you get only the best! This item is part of our 720 Visco gel... more

Alwyn Home Varian Metal Box Spring | California King, Standard Profile (5") | Wayfair 74250BDAE0B3403EA1B5E6289D212941

The foundation of your bed is important, and this easy-to-assemble metal box spring provides the ideal environment for peaceful sleep and beautiful dreams on your mattress. Made of metal for sturdiness, it comes with a standard steel box spring design... more

Alwyn Home Varian Metal Box Spring | Standard Profile (7.5"),California King | Wayfair 04606A68BB474D25BF844A15BF0966D4

The foundation of your bed is important, and this easy-to-assemble metal box spring provides the ideal environment for peaceful sleep and beautiful dreams on your mattress. Made of metal for sturdiness, it comes with a standard steel box spring design... more

Alwyn Home Varian Metal Box Spring | California King, Standard Profile (9") | Wayfair 497088A5C5004D10B0F76C6E6ED60362

The foundation of your bed is important, and this easy-to-assemble metal box spring provides the ideal environment for peaceful sleep and beautiful dreams on your mattress. Made of metal for sturdiness, it comes with a standard steel box spring design... more

California King 8" Foam Mattress - The Twillery Co.® Water-Resistant High Density Vinyl | 84 H x 72 W 8 D in Wayfair

This 8" thick mattress features a tight top, so it's ideal for back sleepers or people who may have joint or back pain. Unlike conventional mattresses and box springs, this orthopedic version is packed with memory foam and is reversible to promote even... more

Ghostbed All-in-One Mattress Foundation™ Metal | 14 H x 72 W x 83 D in | Wayfair G11AIO067

Support your mattress with GhostBed's foundation, frame, and box spring alternative in one, featuring quick-snap assembly—no tools required! Sturdy, all-metal construction holds up to 3, 000 lbs. and replaces the need for a box spring or separate metal... more

California King Medium 10" Gel/Foam Mattress - Builddecor All Foam Cool Gel Waterfall top | 84 H x 72 W in Wayfair miumiuB05165540

This mattress can help alleviate spine discomfort, promote sleep well and make you feel good. Feels so healthy when waking up. it is a product you should choose. Mattress Size: California King, Box Spring Height: 9" | California King Medium 10"... more

Alwyn Home Gilson 16" Metal Mattress Foundation Wood/Metal in Brown | 16 H x 71.5 W x 83 D in | Wayfair D20E93C181A24612BAC2DF75C6226D2D

Supportive, sturdy, and easy on the eyes too, this foundation is your one-and-done solution for convenient mattress support. Featuring a durable steel frame and solid wood legs, this standing box spring features simple, bolt-free assembly and comes... more

California King 12" Foam Mattress - Beautyrest Silver In A Box | 73 H x 85 W 12 D in Wayfair 700810904-1070

Relax on the luxurious, pressure-relieving Micro Diamond Memory Foam, featuring actual diamond particles to help conduct heat away from your body. It is compatible with any platform bed, box spring, or adjustable base. Designed with DualCool... more

California King Medium 10" Gel/Foam Mattress - Builddecor All Foam Cool Gel Waterfall top | 84 H x 72 W 10 D in Wayfair miumiuB05165534

This mattress can help alleviate spine discomfort, promote sleep well and make you feel good. Feels so healthy when waking up. it is a product you should choose. Box Spring Height: 10", Mattress Size: California King | California King Medium 10"... more

California King Medium 10" Hybrid Mattress - Avenco | 84 H x 72 W 10 D in Wayfair AHMS029-US0125-CLK

If a mattress that offers both customized support and comfort is on your list, look no further than this 10" Pocket Spring Hybrid Mattress, Medium Firm Bed in a Box. This Hybrid mattress offers luxury and superior comfort for a deep and restorative... more

California King Medium 12" Hybrid Mattress - Avenco | 84 H x 72 W 12 D in Wayfair A-M02805-12-CLK

If a mattress that offers both customized support and comfort is on your list, look no further than this 12" Pocket Spring Hybrid Mattress, Medium Firm Bed in a Box. This Hybrid mattress offers luxury and superior comfort for a deep and restorative... more

Serta iComfort Foundation Wood in White | 9 H x 36 W x 84 D in | Wayfair 500813799-9970

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Serta iComfort Foundation Wood in White | 6 H x 36 W x 84 D in | Wayfair 500813799-9870

The Serta iComfort mattress low profile foundation is a box spring alternative and provides the perfect support for your Serta mattress, adds 6 in height to your bed, and is designed to provide durability and long-lasting comfort. Pairing this bed base... more

Alwyn Home Millersport 2" Split Wood Bunkie Board Wood in Brown | 2 H x 72 W x 84 D in | Wayfair 5B099362F302424BA1BEBB0F6E866E79

Bring added comfort and more restful sleep to your life when you choose to add our two-inch split box spring mattress foundation to your bed. Featuring a slat support system made from North American timber, it has three layers of multi-needle quilting... more

Beautyrest Triton Foundation Wood in Brown | 9 H x 85 W x 76 D in | Wayfair 700810116-9970

This box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and bowing for the life of the mattress. Size: California King, Profile: Standard | Beautyrest Triton Foundation Wood... more

Beautyrest Triton Foundation Wood in Brown | 4 H x 85 W x 76 D in | Wayfair 700810116-9870

This box spring offers support, durability, and reduced motion. When used with a proper supportive bed frame, it helps prevent sagging and bowing for the life of the mattress. Size: California King, Profile: Low | Beautyrest Triton Foundation Wood in... more

BR800 12 inch Plush Euro Top Mattress Cal King Mattress Only

�Large Umbrella】：Easy to open and close with the crank design; Tilt with button for more angles of shading keeping away from the hot sunlight.Practical design with 3 tier vented top which is conducive to air circulation and reducing sultry.... more

SoundAsleep Dream Series Air Mattress with ComfortCoil Technology & Internal High Capacity Pump - California King XL

NYTIMES WIRECUTTER S #1 RATED AIR MATTRESS FOR 9TH CONSECUTIVE YEAR! Sleep like a dream on the world s most comfortable and elegant air mattress with patented eco-friendly design developed through years of research. Comes with a carry bag built in pump... more

Zena 9 Inch California King Mattress Foundation Black Steel 12 Slats- Saltoro Sherpi

Zena 9 Inch California King Mattress Foundation Black Steel 12 Slats- Saltoro Sherpi Give your bed both extra support and stability with ease by bringing home this California king size mattress foundation. Crafted with a bold black metal frame this... more

King Koil 20in California King Luxury Raised Air Mattress with Built-in 120V AC High Capacity Internal Pump Comfort Quilt Top California King Airbed for Home Camping Travel 1-Year Manufacturer

Comfort has never looked or felt this good! The King Koil California King air mattress is an aspirational air bed featuring the finer elements of luxury air mattresses. Built with time-tested materials it puts consumers one step closer to the premier... more

Ortho Sleep 12 Inch Memory Foam and Innerspring Hybrid Medium-Firm Plush Mattress/Bed-in-a-Box/Pressure Relieving Bliss Calking White

Phenomenal High-Quality 12-Inch Certified Independently & Individually Wrapped Pocketed Encased Coil Pocket Spring Contour MATTRESS. This Swiss Ortho Sleep Mattress is Temperature Sensitive Body Forming Super Long Lasting High Quality & Extremely... more

Waterbed Freeflow Mattress-Cal King

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Cocobase Mattress Foundation - California King Size

The CoCoBase Mattress Base is made with a 5 inch durable coconut fiber coconut coir. This new material created by untwisting coconut husks is infused with natural latex. The Spring like qualities of Coconut Coir can be built to utilize the natural... more

Mattress Foundation - Slim Profile, California King Split - Ballard Designs California King Split - Ballard Designs

Take your nighttime comfort to the next dreamy level with our luxurious and supportive Mattress Foundations. Box edge frames are hand built by Amish craftsmen from solid spruce wood in three profiles, Slim, Low and High, to custom fit your bed and... more

Haven Plush Euro Top Mattress - California King - Ballard Designs California King - Ballard Designs

For the ultimate night's sleep, you need the ultimate luxury mattress. Haven features a plush euro top for ultra-softness and deep sleep comfort. This premium mattress combines the finest materials and craftsmanship with the latest in proven sleep... more

2S NATURAL HYBRID PILLOW TOP - CAL-KING

This 15 all natural gold-certified double-sided euro pillow top flipable mattress is constructed using GOLS certified organic latex GOTS certified organic cotton and up to 1 089 pocketed posterized support coils. Sleep more natural today and get double... more

California King Medium Firm 11.5" Gel/Foam Mattress - Tuft & Needle Mint Gel Foam Mattress, Ceramic | 84 H x 72 W 11.5 D in Wayfair 910810163-8070

With two sleepers in mind, we designed the mint mattress with an extra layer of patented T&N adaptive foam technology and reinforced support edges. These provide personalized softness, medium-firm support, and heat regulation for deep, restful sleep.... more

California King Medium 12" Hybrid Mattress - Tuft & Needle Mint Medium-Plush Mattress, Ceramic | 83.25 H x 72 W 12 D in Wayfair 910810316-8070

Offering the best of both worlds, our mint hybrid mattress combines our contouring foam with individually wrapped springs for softness, support, and a little bit of bounce. It's also designed to help you sleep cool, thanks to black diamond memory foam,... more

California King 12" Foam Mattress - Alwyn Home Shadybrook Copper 2-Sided Flippable Mattresses in Brown | 84 H x 72 W 12 D Wayfair

The 12" copper foam flippable mattress is built to last featuring a flippable, two-sided design with copper-ion-infused fabric and copper foam. Just flip and sleep on a refreshed new-mattress-feeling surface. Rest assured the high-density quilted cover... more

11-inch Zen Hybrid Mattress, Gel Memory Foam Medium Feel Mattress, CertiPur-certified, White - California King

The Zen Hybrid Mattress is designed for your complete satisfaction. Its ventilated gel memory foam actively memorizes body type, weight, and shape, ensuring personalized support. more