Replace your innerspring sofa mattress with Classic Brands Memory Foam 4.5-Inch Sofa Bed Replacement Mattress. It easily folds into most standard fold-out sofa beds and it maintains its original shape, so you and your guests can rest easily. Memory foam offers comfort and orthopedic support. Upgrade your Sleeper Sofa Bed mattress with the Classic Brands Memory Foam Sofa Bed Mattress. The 4.5-inch sofa bed mattress is comprised of 2 layers of memory foam, the top layer of plush memory foam provides plush comfort and pressure relief and the bottom layer of dense foam provides orthopedic support and ensures the longevity of the sofa mattress. Memory foam reacts to body heat and conforms to the body's curves, aligning the spine during sleep. This mattress will fold up inside your sofa and unfold as easily as a spring sofa mattress would. You could also use this sofa mattress as a bunk bed mattress, a boat mattress, an RV mattress or even as a mattress topper. Why Upgrade to Memory Foam? A memory foam mattress can support each part of the body evenly and individually. Memory foam slowly and automatically adjusts to your body weight and temperature. In addition to the slow, conforming response, memory foam offers complete, luxurious and stress-free support. This can allow the spine to stay in a neutral position. Should you move during the night, your partner is never disturbed due to the lack of reciprocal movement between sleeping partners. Additionally, when you do move in bed, memory foam gently fills in and reshapes itself to your new sleeping posture, cradling every part of your body.How it Works For a Better Night's Sleep The 4.5” profile sofa mattress has Visco Elastic Memory Foam and is designed to ensure your guests sleep as comfortable as possible after a night on your sleeper sofa. Starting with the top layer of 2-inch breathable memory foam that works with the support layer providing you with the ultimate sleeping experience. The 2.5-inch support base layer maintains the strength and effectiveness of the layers. The two layers work together to bring you the relaxation you crave and the ultimate sleeping experience. Covered with a beautifully detailed knit cover for breathability, this elegant cover moves with you. The 4 way stretch conforms to your body for comfort working with the top layer of memory foam to optimize its contouring properties.CertiPUR-US CertifiedThe foam in Classic Brands Memory Foam 4.5-Inch Sofa Bed Replacement Mattress is CertiPUR-US certified. The CertiPUR-US program is a voluntary testing, analysis, and certification program for flexible polyurethane foam used as a cushioning material in home furnishings such as adult mattresses, crib mattresses, upholstered furniture and some accessory comfort products. Certified flexible polyurethane foams have been independently laboratory tested. Get it Right the First TimeIt is also a good idea to check the size of the sofa bed frame you are placing the mattress on to make sure you are ordering the correct size:Twin Sofa Mattress33 inches wide x 72 inch longFull Sofa Mattress53 inches wide x 72 inch longQueen Sofa Mattress58 inches wide x 72 inch longClassic Brands Smart PackagingSmart packaging reduces the carbon footprint in the manufacturers shipping process. Our advanced packaging technology means we can roll-pack our mattresses and ship them at one-third of the normal size. Because of this process, we can ship more mattresses per delivery and reduce the amount of carbon emissions. A mattress that is roll-packed still retains its initial quality, as each will quickly recover and return to its original shape after being removed out of packaging. Sofa is not included.Quality Assurance Classic Brands Memory Foam 4.5-Inch Sofa Bed Mattress is backed with a 1-year worry-free warranty. Look for more innovative specialty sleep products from Classic Brands.