Home / Office Mesh Mid-Back Chair Features: 1. The backrest is curved, fits the back, adopts high-density composite elastic mesh cloth, enhances the back support, mesh design, breathable and comfortable 2. The cushion is filled with elastic thickened sponge to increase the comfortable sitting experience 3. Chassis reinforced alloy five-claw, certified-grade pneumatic rod, stable support ty, competent for rest in various postures, practical and reliable 4. Universal casters, easy to move, durable and non-slip Parameter: Material: Mesh Nylon Sponge Overall product size 1: 22.8''x22.8''x36.6''-40.5'' (Length x Width x Height) Overall product size 2: 19''x19''x37''-41'' (Length x Width x Height) Color: blue