Chair seat: It is composed of wood, sponge and fabric. 

1. The quality of wood boards is usually not felt by consumers. 

2. Sponge: recycled cotton, new cotton. 99% of manufacturers use the two together, the thicker and harder, the higher the cost, the thickness is appropriate, and the hardness is appropriate. Press the seat with your hands.

3. Fabric: Ma Rong, mesh, leather. The plastic frame is pressed into the net cloth. This type of chair is more in line with breathability.