[Material] :( main material from inside to outside) the first layer: Solid wood frame + plywood (some products contain metal accessories) Second layer: import as gluten + snake-type spring Third layer: strong rebound in the first high-density foam three: magic cloth fourth layer: fiber cotton (by the package and small pillow filled with soft and comfortable interior doll cotton, also known as space cotton) The fifth layer: fabric. [] Independent internal filling spring + high-grade sponge [removable] slipcover is removable slipcover company: Henggang Town, Longgang District: Shenzhen Ji Ying Furniture Co., Ltd. Contact: Miss Zhang Tel: 18922839885 Address Hill sub-Ha Road No. 28-1 Hong Estate Website: http: //www.sz-jiying.com/ http://www.chair0755.com/