Search query: furniture cushion foundation

Product: Casper Sleep Box Spring Foundation for California King Mattress
Brand: Casper Sleep
Color: Grey
Relevance: Exact
Foundation dimensions – 71.5" W x 83" L x 7.5" H | Metal Bed Frame – 72.2" W x 76.7" L x 7.3" H | Weight – 88.8 lbs. | Hold weight – 750 lbs. | Slats distance from each other – 4”
Ships in a compact box and can be easily assembled in minutes - without any tools | Designed and assembled in the USA; Non-Woven Interior and Slat Upholstery
The Casper foundation is engineered to provide excellent support under your Casper mattress but can be used with other mattresses in place of a traditional box spring
Engineered with solid wood and rigorously tested for durability and proven to stand up to years of sleep. Slats are positioned a perfect four inches apart for optimal support
Compatibility-works with any mattress. Requires a simple metal bed frame, slatted bed frame, or a platform (if you want extra height). The foundation should not be put directly on the floor