Brentwood Home 7-Inch Gel HD Memory Foam Mattress, Natural Wool Sleep Surface and Bamboo Cover, Twin Medium feel. 7-inch height. Twin Size 39 x 75 x 7. Made with CertiPUR-US foams free of flame retardants, heavy metals, formaldehyde, and phthalates. 2-inches of gel memory foam provides personalized support and cooling comfort. Made in USA. No toxic flame retardants used in this mattress. 25 Year Warranty. Mattress comes compressed and rolled for easier shipping and setup.