This Pemberly Row Blue Linen Fabric no-flip mattress is constructed of high density foam and a 294 easy hinge innerspring unit. The easy hinge spring unit allows the mattress to effortlessly convert from a sofa to a standard full-size bed. The easy hinge mattress is also designed to fit perfectly in the sitting position every time. The attractive tufted cover nicely finishes off this premium futon mattress.Features : Ultimate Comfort — Pemberly Row's mattress encompasses 276 hinged innerspring unit within a plush layer of breathable cotton and thick foam, providing the ultimate contouring comfort and back support; Effortless Conversion — unique hinge system allows the mattress to be effortlessly converted from a sofa to a standard full size bed and keeps the mattress in place while sitting; Enduring Quality — made with premium breathable cotton, flexible foam, and insulated innersprings, Pemberly Row's futon mattress provides the ultimate back support and will last for years to come; Full Size — mattress measures 75” x 54” x 8” to fit most standard full size futon frames. Frame is sold separately; Made proudly in the USA; Decorative tuft on cover; Meets all flammability standards. Specifications : Product Dimensions : 8""H x 75""L x 54""W; Product Weight : 55 lbs; Seat Dimensions : 8""H x 54""W x 74""D; Warranty : 1 year; Weight Capacity : 500 Pounds.