colorful office chairs black swivel desk chair
Seat: made of wood, sponge, fabric composition. The quality of the board is usually not felt by consumers. Sponge: renewable cotton, new cotton. 99% manufacturers are both with the use of thicker and harder, the higher the cost, the appropriate thickness, hardness appropriate. Press the chair seat, fabric: Ma Rong, mesh, leather. Plastic box pressure on the mesh. Such chairs, more in line with breathability.