Specification Model: Blc-9017 Color: Red, Black Material: Pp, Iron Pneumatic Lever: Sgs Grade Iii Weight Capacity: 150kg/ 330lbs Height Adjustable Range: 50-63.5cm/ 19.69-25in Ergonomic Seat Size: 49*38cm/ 19.3*15in Wheel Distance: 39cm/ 15.4in Wheel Diameter: 4in Product Size: 74*61cm/ 29.2*24in Package Size: 54*41*21cm/ 21.26*16.14*8.27in Net Weight: 7kg/ 15.43lbs Gross Weight: 7.55kg/ 16.64lbs Package Included 1* Ergonomic Seat 1* Adjustable Air Cylinder Post 1* Underside Organize Tool Tray 1* Reinforced Metal Frame 1* English Assembly Instruction 2* Extend Cup Holders 4* Wheels All Accessories for Assembly.