1. Main material: natural hardwood ( birch), leather style vinyl, 5cm thick high density foam padding with two layers system, quality hardware and cabling.
2. Adjustable height range of 63cm to 82cm ( 24inch to 32inch).
3. the backrest is adjustable with special system.
4. Package: one piece to a carton.
5. Squeak-proof and designed for easy set-up, no tools needed for assembly.