Best Price Mattress 1.5 Inch Swirl Gel Aerobreeze Cooling Air Flow Memory, Full This specially designed cooling gel-infused topper offers excellent ventilation, dissipating heat while ensuring exceptional softness and comfort. Please note that it may take 24 - 72 hours for your mattress to fully regain its shape, with quicker expansion in warmer rooms and potentially longer in colder temperatures upon delivery. Expansion time may vary depending on the surrounding conditions. Memory Foam Cooling Comfort: A layer of supportive memory foam infused with cooling gel, designed to fit under any standard or deep pocket fitted sheet. CertiPUR US Certified: Our foam is certified for top-notch quality, durability, performance, and content. Smart Packaging: Our technology compresses this topper into one easily shippable box. Just unbox, unroll, and it will expand to its original shape within 72 hours. Experience dynamic movement and recovery with our responsive comfort powered by adaptive foam technology.