Mark A Turning Point In Your Office Tasks With The Articulate Drafting Stool In Mesh. Articulate Makes It Easy To Relax Into Work With Breathable Mesh Back And Comfortable Fabric Cushion Seat That Serve As A Simple Extension To Your Everyday Work Ventures. This Drafting Stool Installment Of The Articulate Series Features Height Adjustable Armrests, Tilt Tension Control, An Extra Tall Gas Cylinder, And A Sturdy Chrome Plated Steel Footring To Enhance Posture. Fitted With Five Hooded Dual-Caster Wheels, Give Yourself The Ability To Easily Glide Over Carpeted Floors While Naturally Performing Tasks. Set Includes: One - Articulate Drafting Stool Overall Product Dimensions: 27.5"L X 27.5"W X 42 - 50"H Seat Dimensions: 17.5"L X 19.5"W X 24 - 31.5"H Cushion Thickness: 4"H Armrest Height: 30.5 - 33.5/38 - 41"H Backrest Dimensions: 18"H Material: Assembly Required,chair weight capacity 331lbs,Redius 350mm Nylon five star base,Bentwood with 30kg/m3 density foam,100% polyester mesh,Nylon caster,PP Frame,adjustable armrest,powder coated steel frame,adjustable gas spring.