PAIN & PRESSURE-RELIEVING: 3 inch memory foam can Support Your Head, Back, Neck, Shoulders, Waist, Hip and Legs Respectively according to Your Weight and Body Temperature, Keep Your Spine in a Neutral Position, Relieve those 7 Main Pressure Points to Alleviate Your Pain. HIGHLY BREATHABLE: Designed with open-cell aviation grade memory foam and gel-infused beads, more breathable to keep your body from overheating easily, maintains a cooler constant temperature than standard memory foams, improve the sleeping experience. REMOVABLE & WASHABLE COVER: The cover is easily removable for cleaning care. Besides, it comes with anti-slip elastic straps to keep the topper in place. SOFTEST TOUCH: Rayon and polyester made cover with the latest weaving technology offers you the softest touch and the most luxurious feel. CertiPUR-US Certified, safely made without PBDE fire retardants, lead, mercury, formaldehyde, and other Toxic substances.