Expertly crafted to promote perfectly deep sleep, our 12 inch profile California king size mattress is a luxurious, deeply relaxing addition to any master or guest bedroom. The double jacquard yarn cover rests atop three layers of cooling gel memory foam, super soft PU top foam, and a dense foam base for fantastic spinal and lumbar support. Check out our Bree collection for size options. Specifications:Weight Capacity-5Mattress Size-KingComfort Level-FirmMattress Top Type-Tight topBox Spring Included-NoAdjustable Base Included-NoBed Frame Included-NoSuitable for Sofa Bed-NoMattress in a Box-NoRemovable Cover-NoLife Stage-Adult MattressFoam Type-Gel memory foamSpecialty Foam Infusion Type-No InfusionsNumber of Layers-3Cooling Technology-YesCooling Type-Gel foam or gel infused foamBreathable Construction-YesEdge Support-NoAntimicrobial-NoProduct Care-Spot CleanOne California king size mattressDouble jacquard cooling yarn coverSupport level is firmSoft PU foam, gel infused memory foam, and high dense base foam cushioningTight top with 12 inch profile heightComes compressed in a box and puffs out to its original sizeWeight capacity of 5lbsCheck out our Bree collection for more sizes71L x 83W x 12H, in inches