- Fabric: Non-spinning, non-pilling, lint-free, non-discoloring, breathable, comfortable to touch
- Frame: Made of solid wood
- Spring: Double layers springs structure for strong sence of comfort; Soft ultra high-elasticity spring pack for human sciatic nerve balance
- Sponges: High density and elasticity sponge for sitting comfortable, high elasticity and green sponge for comfortable backrest
- Metal: The connection made of synthetic metal and the feet made of high quality plastic, so as to ensure the stablity of the product
