Enhance your sleep experience with our Twin XL memory foam mattress topper. Designed for dorm rooms, guest rooms, or upgrading your existing mattress, this topper provides exceptional comfort and support. Featuring a double-layer design, it offers two firmness options: a medium-firm layer for enhanced support and a medium-soft layer for gentle contouring, allowing you to customize your sleep surface. Crafted with high-density memory foam, this topper evenly distributes weight, relieving pressure points for a more restful night’s sleep. The breathable rayon derived from bamboo cover promotes airflow, keeping you cool and comfortable throughout the night, and is ideal for light sleepers. The cover also features adjustable corner straps to ensure a secure fit on mattresses up to 18 inches deep. This topper is CertiPUR-US certified, ensuring it’s made without harmful chemicals. It arrives vacuum-packed, and requires 72 hours to fully expand in a well-ventilated area at room temperature (78°F). Machine washable cover (tumble dry low) for easy maintenance. Dimensions: 38 x 80 x 2 inches. Material: Memory Foam, Rayon from Bamboo. Certification: CertiPUR-US, OEKO-TEX 17.HCN.13316 HOHENSTEIN HTTI. Weight: Approximately 8 lbs.