â—?Memory Foamâ—?Inner memory foam: Subrtex gel-infused memory foam mattress topper will bring new life to your current mattress. The ventilated gel-infused mattress topper allows more airflow, eliminates motion transfer and helps regulate sleeping temperature. Our foam contains no formaldehyde, harmful phthalates. This mattress does not contain synthetic or natural latex of any kind.â—?Removable bamboo cover: Our mattress topper is removable and washable for easy cleaning. The bamboo cover is equipped with anti-slip mesh backing to prevent sliding and premium metal zipper for easy removal and washing.â—?Improve sleep quality: Subrtex 3"? memory mattress topper conforms to the curves of your body to relieve pressure, allows airflow and provides a great night''s sleep. We use 3. 5-pound density memory foam to ensure the longevity of our mattress toppers.â—?Advanced shipping: Our technology allows Our mattresses to be compressed, rolled and shipped in a box right to your door. Once received, unrolled and opened, allow the foam mattress to fully expand for the next 48 hours to 72 hours.â—?Ten-year: We are confident with our mattress topper and We will provide peace of mind for your purchase. Buy with Confidence. If you have any issues within 10 years of your purchase, contact us and we will find make it right.