Kaleurrier Adjustable Stools Drafting Chair with Backrest & Foot Rest,Tilt Back,Peneumatic Lifting Height,Swivel Seat,Rolling wheels,for Studio,Dental,Office,Home Desk Chairs (Black)Office Drafting Chairs with extra large,ergonomic,comfortable seat & backrest: contoured cushion is fully padded by high density soft sponge for all day comfort. Supportive back helps you relieve fatigue of your back. Sit relaxedly in a thoughtfully designed chair that adjusts height & tilt according to your needs. Height adjustable & Easy operation: drafting table stool is equipped wih a tall & smooth lifting gas lift cylinder,adjustments are easily