4" folding portable mattress/ sofa-style floor chair * Trifold portable design makes it easy to transport * Careful construction guarantees no prohibited phthalates, no ozone depleters, no CFCs, no mercury, lead or heavy metals, no formaldehyde, no PBDEs, and low emission (VOCs) for indoor air quality * Ideal for guests, travelling, camping, RV"s, campers, tent beds, dorms, playrooms, or studios * Foam is CeritPUR-US® certified, 3-year warranty