Alvin - Prestige - Artist / Drafting Chair - Black - Alvin offers deluxe drafting chairs for the serious artist or designer that are both comfortable and sturdy. The Prestige Artist/Drafting Chair features: pneumatic height control, polypropylene seat and back shells, a height and depth-adjustable backrest with tilt-angle control, articulating seat and backrest, dual-wheel casters and a 26 inch diameter reinforced nylon base. Height adjustable foot ring comes standard. Seat cushion is 19w x 18d x 3 inches thick. Backrest is 17w x 15h x 3 inches thick. Height adjusts from 24 inches to 34 inches. 41 lbs. each. Black. Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Creative Coldsnow is a pround retailer of Alvin graphic arts, drafting and fine arts products.