ZINUS 8 Inch Green Tea Cooling Gel Memory Foam Mattress Cooling Gel Foam Pressure Relieving CertiPUR US Certified Bed in a Box, Queen size king Consistent filling does not shift self timer Consistent filling does not shift or clump and has quick loft recovery The warm gray finish features a stylish white wax effect beautifully complementing the replicated oak grain all surrounding the unique horizontal pocket details and wide pilasters adorning this rustic furniture And a top layer of ultra cooling gel infused memory foam means that your body temperature stays perfectly regulated and that your thermostat will likely thank you CERTIPUR US CERTIFIED Highest quality foam is CertiPUR US Certified for durability