LATX4000EK Size: King Features: -Eco friendly. Construction: -Constructed of antimicrobial bamboo fabric and coolmax fibers.-Tri zone base foam construction provides lumbar support.-3" Natural latex foam and 3" stay cool channel vented engineered latex channels excess heat away. Dimensions: -Queen mattress dimensions: 13" H x 60" W.-Eastern King mattress dimensions: 13" x 76" W.-California King mattress dimensions: 13" H x 72" W. Collection: -Latex collection. Warranty: -Manufacturer provides 20 year limited warranty.