[EXCELLENT QUALITY] Our folding recliner sofa is made of ergonomic 28D compressible foam and design, which can effectively relieve your pressure, provide effective support for your body, and not easy to collapse after long-term use. Our breathable cotton linen fabric is skin-friendly and sweat-absorbent, suitable for both children and adults. [FUNCTIONAL] Easily converts into a sofa, recliner and mattress to meet your different needs. There is a reinforced patch frame on the back to support the sofa fixed in the folded position and provide you with back support. [Note] This sofa chair is packaged in compression, folding sofa beds usually return to their original shape within 24-72 hours. Any high density foam will expand faster in a warm room. If there is a dent, please pat it repeatedly to make it expand more easily.