About This Pressure-Relieving Breathability - The advanced technology of this memory foam queen mattress maximizes ventilation while features a medium-firm feel that cradles your body to offer superior pressure relief and optimal support. Cooler Sleep Experience - This queen mattress features cooling gel and advanced breathability that whisks away excess heat and moisture, keeping you comfortably cool throughout the night. No More Nighttime Overheating - The soft, breathable mattress cover of this queen mattress promotes continuous air circulation to maintain your ideal sleeping temperature for uninterrupted rest. Certified Safe Materials - Constructed with CertiPUR-US certified premium foam and wrapped in OEKO-TEX STANDARD 100 certified cover. This gel memory foam queen size mattress is rigorously tested to meet the highest standards of skin-friendliness and sleep quality. Convenient Mattress in a Box - This 39"x75" queen mattress arrives in compressed packaging for easy handling. Simply unbox and watch it expand - ready for immediate use (allow 24-72 hours for full expansion to specified dimensions). Overview Brand : Marsail Size : Queen Latest version Product Dimensions : 80"L x 60"W x 8"Th Top Style : Gel Top Cover Material : Fabric Blend Number of Layers : 3 Fill Material : Gel Memory Foam Special Feature : Breathable, Fire Retardant, Pressure Relief, Removable Cover Color : White Model Name : MSMAQ8W2-US Item Weight 46.52 Pounds : Item Firmness Description Medium Firm : Item Weight 46.52 Pounds : Item Firmness Description Medium Firm