Frame constructions have been rigorously tested to simulate the home and transportation environments for improved durability. Corners are glued, blocked and stapled. Seats and back spring rails are cut from hardwood and engineered lumber. Stripes and patterns are match cut. All fabrics are pre-approved for wearability and durability against AHFA standards. Cushions are constructed of low melt fiber wrapped over high-quality foam. Sleeper features easy to lift mechanism memory foam mattress.