SLEEP COMFORTABLE - Our revolutionary charcoal-infused 3.5 lb density gel memory foam topper is engineered to optimize air flow and reduce trapped body heat. Enjoy our breathable, ventilated design that distributes body heat evenly for a more restful sleep HELPS PREVENT BODY ACHES CAUSED BY ?SINKING? - Our unique gel-infused, 3-inch, high-density memory foam formula aligns your spine, helps relieve common pressure points and prevent you from sinking into foam. Save money, prolong your mattress life and get the quality sleep you deserve THE BEST SLEEP YOU?LL EVER GET - Perfect for college! The time, research and testing we put into our topper is designed to deliver maximum comfort and restful, uninterrupted sleep all night long. Our breathable mattress topper helps relieve pain, reduce pressure points, as well as, allow for a comfortable, natural sleeping position that will distribute your body heat evenly, so you can wake up feeling refreshed and energized COMES WITH A REMOVABLE WASHABLE COVER - Don?t waste your money on a topper that will need to be replaced every year. Unlike other toppers, ours comes with a machine washable, bamboo-rayon cover that features a slip resistant mesh with adjustable elastic straps that keep the topper secured to the mattress and eliminate the hassle of having to constantly re-adjust it Size: TWIN 38"x74"