GEL MEMORY FOAM & CERTIFICATION – Bedluxury 3inch mattress topper is CertiPUR-US certified and bamboo cover is OEKO-TEX certified. The memory foam infused with cooling gel that captures and distributes heat to improve your sleeping experience. High-density memory foam provides as much comfort and support as possible to help relieve common pressure points and prevent you from sinking into the foam UPGRADED NON-SLIP DESIGN：18'' DEEP POCKET – 2022 new BEDLUXURY bed topper has 360° surrounded deep pocket and anti-slip surface backing , grips any mattress 8-21 inch. More secure, prevent falling off and moving，suitable for any sleeping positions REMOVABLE & WASHABLE COVER – Use skin-friendly and breathable bamboo fiber cover,fully washable and easy to care