General Note: Please allow 24 - 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state.The expansion time of the mattress will vary as per the surrounding.Set Up: Simply take your mattress out of the box and enjoy watching it decompress. Jumping, walking, and sleeping on your mattress can speed up the process. AS COOL AS IT GETS - Settle in to a bed made with our most cooling formula yet, promising perfectly temperature-regulated sleep and a clean feeling night after night, all thanks to our enveloping memory foam packed with cooling gel and green tea PRESSURE-RELIEVING FOAMS – Layers of ultra-cooling gel and green tea infused memory foam, soft comfort foam and durable, high density base foam CERTIPUR US CERTIFIED - Highest quality foam is CertiPUR US Certified for durability, performance, and content EXPERTLY PACKAGED - Our technology allows this mattress to be efficiently compressed into one box that's easily shipped and maneuvered into the bedroom; simply unbox, unroll and this mattress does the rest, expanding to its original shape within 72 hours Worry-free 10 year lid warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs