FDW 5 Inch Gel Memory Foam Mattress Medium-Firm Mattress for Pressure Relief & Cooler Sleep Mattress for Kid Adults CertiPUR-US Certified Mattress in a Box,TwinEasy setup just move the box to the room you want to use, open the box, open the mattress, and watch it expand in front of your eyes. The mattress will be ready in 72 hours! Gel Memory foam Our mattress is a gel memory foam boxed mattress designed for various sleepers. It helps you sleep cool and conforms to every curve. Get support where you need it, and comfort where you want it. Perfect support in any position whether you're a side sleeper, a back