Brentwood Home 13-Inch Gel HD Memory Foam RV Mattress, Made in USA, CertiPUR-US, 25 Year Warranty, Natural Wool Sleep Surface Bamboo Cover, RV Short King Medium feel, great for side, back, and stomach sleepers or partners with different preferences. 13-inch height. RV King Size 48" x 75" x 13" Made with CertiPUR-US foams free of flame retardants, heavy metals, formaldehyde, and phthalates. No toxic flame retardants used in this mattress. 3.5-inches of gel memory foam conforms to your body for greater pressure relief and proper spinal alignment. Reduces tossing and turning, eliminates motion transfer, and provides a great night's sleep. Bamboo zipper cover lined with natural New Zealand Wool wicks moisture, regulates temperature, and is naturally antimicrobial to prevent odor. It can be removed and spot cleaned. Made in USA. 25 Year Limited Warranty. Mattress comes compressed and rolled in a box for easy shipping and setup.