With over 54 years of experience, Alvin is one of the primary sources for drafting supplies and drawing equipment in the country, Together with this core group of products, we continue to meet the needs our customers with our expanding range of fine art, hobby and craft supplies, our large selection of drawing room furniture, and our wide assortment of exclusively-designed products, Blue and Black, Designed for the ultimate in style, comfort and construction, High backrest provides solid orthopedic spine support, Full-size upholstered seat is contoured for added comfort, Pneumatic height control, Polypropylene seat and back shells, Height and depth-adjustable backrest with tilt angle control, Adjustable seat pitch, Dual wheel casters and a 23"" diameter, Reinforced nylon base, Seat cushion is 19""W x 18""D x 3"" thick, Backrest is 16""W x 19""H x 3"" thick, Height adjusts from 18"" to 23"" inches SKU: ALV6365