Premium Material for Health: Sofa bed mattress is made of high quality foam materials. The soft jacquard soft cover can provide the best support for your whole body, so that users can relax and enjoy good sleep. The Full-size pull-out mattress measures 72 inches x 53 inches x 4 inches. (Sofa Not Included) Important Note- We compress the mattress into a storage bag for simple transportation. When you open the package, there could be some creases on the mattress's surface after opening. Please expose the mattress to the sun for 24 hours so that it can regain its fluffy form Comfort Enhancement and Cleaning: This sofa bed mattress cover is made of soft fabric with jacquard embroidery, which is breathable, light, simple and convenient. This sofa bed mattress comes equipped with a washable zipper cover, so cleaning is a breeze Easy Setup: Our mattresses are easy to install. They can fit all types of frames including box springs, floors, adjustable beds, foundations, slatted platforms, and flat platforms. Simply wait 24 hours for the mattress to fully expand to its original shape Wide Range of Uses - The perfect mattress is not only suitable for sofa beds, but also compatible with scenes such as bedrooms, boats, campers, floors, and other bed frames of different sizes DoCred 4 Inch Memory Foam Replacement Mattress for Sleeper Sofa and Couch Beds, Full Size Sofa Bed Mattress, Three Fold Design Mattress, Washable Cover, Sofa Not Included, 72" L x 53" W x 4" H