Upholstery: Soft PU with 2 years guarantee base on regular using
Stuffle: Fire-resistant CA117 standard fresh foam
Armrest: Metal in Chrome armres with back frame
Mechanism with footrest: 10*10cm metal in Chrome
Gaslift: Chrome gaslift with 210mm up&down adjustable range
Base: 1.2mm thickness,diameter 450mm/17.7inches Chrome base with chrome ring
1.Sleek chrome metal base, PU Leather Cushion seat.
2. Back Of Seat Height :7
3. Side lever adjusts seat height up and down, swivel chair design so you can turnaround.
4. Light assembly required, not recommended for over 200 lbs.
5. We constantly update our items following customers reviews, since then this item's base has been widened to 16.5" so it stands more confidently.