Sailvan Twin Mattress, 8 inch Memory Foam Mattress in a Box, Cooling Gel Mattress with Medium Feel & CertiPUR-US Certified

8-inch adult mattress in a box: Packaged in our smallest carton ever, and delivered to your door Medium firmness: Made up of three unique and supportive layers Cool gel memory foam: Contours to your body for a cooler, sweeter sleep