Material:Synthetic Leather Folded:No Style:Swivel Chair,Executive Chair,Lift Chair Size:135*67*25cm Color:Optional Armrest:Height Adjustable Base:350mm Nylon Base Mechanism:Locking-tilt Mechanism Castor:60mm PU Castors Gaslift:Class 4 Warranty:24 Months Usage:Computer Room,Office,Internet Cafe Certificate:BIFMA,CE Shipping Method:By sea/air Show More