Why choose us? 1. high density Aviation-grade materials Memory Foam totally follow the contours of the body and provide full support without blind spots 2. Cooling gel infused memory foam, good breathability, regulates body temperature and creates a quality sleep environment 3. Bamboo fiber detachable cover, easy to clean and maintain, with anti-slip particles on the bottom, plus adjustable straps, stable and non-slip. 4. Our memory foam mattress topper is CertiPUR-US and OEKO-TEX certified for durability, performance and content. No formaldehyde, no harmful phthalates. 5. 10-year warranty, free replacement of non-human damage within 2 years. TIPS? 1. Vacuum packaging, with an unpacking tool in the box, it is not easy to accidentally damage the mattress topper 2. Because it is compressed packaging, after unpacking the new product, please place it in a well-ventilated place for 24-48 hours and wait for it to return to its original state (there may be a faint smell of new product, which will dissipate as the state recovers) 3.The internal memory foam needs to be protected from sunlight ?If you need to clean the foam, please strictly follow the instructions and dry it naturally in a cool and ventilated place Size: Twin 39 x 75 x 3 ' Twin XL size 39 x 80 x 3' Full size 54 x 75 x 3 ' Queen size 60 x 80 x 3' King size 76 x 80 x 3 ' California King size 72 x 84 x 3'