Cooling Gel-infused Memory Foam NEW WONDERBOX PACKAGING - This mattress topper ships straight to your door in a box designed for unmatched convenience, plus a reduced carbon footprint! Simply unbox, unroll, and watch as this topper does the rest, expanding to its original shape within 72 hours COOL CUDDLES, SOUND SLEEP - Our most cooling topper yet is packed with temperature regulating gel and ultra-conforming memory foam to make your mattress and your night’s sleep feel like new again ENVELOPING COMFORT - Made with conforming memory foam that hugs your shape as you sleep and takes stress off of pressure-points, allowing you to awake restored and free of aches and pains CERTIPUR-US CERTIFIED - Highest quality foam is CertiPUR-US certified for durability, performance, and content Worry-free 5 year limited warranty included; a new foam scent is normal and should dissipate within 72 hours