1. foam: high-density PU cold foaming
2. back with plywood cover, seat with U shape aluminum alloy cover, color optional
3. seat inner frame: steel with plywood frame
4. fabric: good quality fabric, color optional
5. armrest: solid wood after painting, color optional
6. writing table: black PP writing table with an aluminum alloy frame
7. leg and foot: aluminum alloy, fixed to the floor
8. seat self-folding: by slow damping mechanism single chair not sharing arm and foot:630W*760D*960H

W = including two-foot width
D = from back to seat open, table not open