Sealy 50937831 Sealy Optimum Bed Mattress, Twin/x-Large, White 12-inch cooling Gel memory foam mattress with 2-inch fused with Outlast Gold that removes excess heat, 3-inch OptiSense Gel memory foam conforms to your body 7-inch Gel OptiCore that provides essential deep-down support where you need it most This mattress is designed to absorb motion, creating a calm sleeping environment and is infused with Isofresh scent guard to help eliminate unwanted odors Compatible with adjustable bases 10-year full replacement limited warranty and designed and built in the USA