During your long-time sedentary work, you need a comfortable chair to relieve fatigue and promote efficiency. Our adjustable drafting chair may just meet your requirements. This chair is fully adjustable, can fit your sitting posture well and give you comfortable support. With the support of high-quality pneumatic rod, the seat can be adjusted up and down about 8.5'' to adapt to the height of table. Besides, the backrest can be adjusted back and forth to fit your back and the footrest can also be adjusted up and down. The chair also boasts comfortable seat padded with high-density sponge and covered with high-quality PVC leather. And the heavy-duty 5-claw base fitted with smooth rolling casters ensures a stable structure and flexible movement.FeaturesColor: Black Material: PVC + Plywood + Sponge + Steel Overall Dimensions: 24'' x 24'' x 41.5'' - 50'' Net Weight: 21 lbs Seat Size: 16'' x 16'' Seat Height: 28.5'' - 37'' Foot Ring Diameter: 18'' Weight Capacity: 330 lbs Package Includes: 1 x Drafting Chair 1 x Instruction