Welcome to a new era in functional comfort. The Edge Drafting Stool implements cutting edge ergonomics to deliver a comprehensive seating experience. Edge features a breathable mesh back for lower back lumbar support, padded waterfall vinyl seat to ease pain and pressure around your thighs, flip-up padded arms, an extra tall gas cylinder with a footring, and it securely locks in place with a user-friendly seat tilt plus tension control knob. Edge is a progressively minded drafting stool perfect for school, work, or home use.Features 90 Degree Flip-Up Padded Arms Tall Drafting Chair Vinyl Covered Foam Seat Standing Desk Chair Tall Pneumatic Gas Cylinder Seat Tilt Tension Control Assembly Required Specifications Overall Product Dimensions 27.5"L x 27.5"W x 41.5 - 49"H Seat Dimensions 18"L x 19.5"W x 22 - 29.5"H Armrest Height 32 - 39.5"H Backrest Dimensions 19.5"H Armrest Dimension 11"L x 3"W x 2.5"H Base Dimension 27.5"L x 27.5"W Product Details Set Includes: One - Edge Office Drafting Chair with Foot Ring Mesh Back and Black Leatherette Seat Assembly Required: Y Country of Origin: China Shipping Method: Small Parcel Carton Dimensions: Box 1 x 1: 27"L x 26"W x 14"H