About this item CLASSIC COMFORT, MAXIMUM AFFORDABILITY – With its special cooling cover, supportive foams, and dependable construction, the Cooling Essential Mattress is the kind that can complete any guest room, kids' bedroom, or college dorm SLEEP WITHOUT OVERHEATING – A breathable, cooling cover encourages airflow and keeps you at the optimal body temperature for peaceful sleep CERTIPUR-US CERTIFIED – Highest quality foam is CertiPUR-US Certified for durability, performance, and content.Top:Durable high density foam and a thermoregulating poly jacquard cover EXPERTLY PACKAGED – This mattress is 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