Polyester fabric surface and sponge filling: this mattress is made of polyester fabric surface and filled with high-quality sponge, so that you can have a more comfortable experience sitting or lying on it.14 sections adjustable: this sofa can be adjusted to 14 different positions. One position is sitting and the other is lying. You can adjust the position at will. The folding mattress sofa can not only be a sofa, but also a bed.Hard steel frame: this sofa is equipped with hard steel frame and high-quality sponge, with a maximum load of 180 pounds, which is both comfortable and firm.Wide application: it's great for apartment dwellers, university dormitories, family nests and when you travel or other places the space is limited. Durable, cost-effective.Size increase and thickening: the width of single floor chair on the market is generally small, to comply with the U.S. market, we improved the thickness of the product, increased the width of the