Product Description 1. Main material: aluminium alloy, leather style vinyl, 5cm thick high density foam padding with two layers system, quality hardware and cabling. 2. Adjustable height range of 68cm to 83cm ( 27inch to 32.70inch). 3. Package: one piece to a carton. 4. Squeak-proof and designed for easy set-up, no tools needed for assembly. specifications 1. Set-up dimension: 196x70x68~83cm (73inch x 26inch x 27inch to 32.70inch) 2. Folded dimension: 98cm x 70cm x17cm ( 38.50inch x 28.00inch x 6.70inch) 3. Carton size :101cm x 76cm x18cm (39.00inch x 30.00inch x 7.10inch ) 4. Net weight: 16.00kgs(about 35.00 lbs) 5. Weight capacity: about 200kgs.(450.00 lbs) 6. Conveyance: 221pcs/20 ft container, 455pcs/40 ft container.