KERDOM Drafting Chair Tall Office Chair Ergonomic Computer Standing Desk Chair Swivel Work Chair with Flip-up Armrests and Adjustable Footrest Ring [Adjustable Drafting Chair] The footrest of this high rotating drawing chair can be adjusted in height, providing maximum comfort for your feet. The tall office chair features sturdy and wear-resistant five-pronged legs to ensure safety and stability. [Ergonomic Design] The work chair provides 4 support points for your back, hips, hands, and feet, with appropriate waist support. The seat height can be easily adjusted to meet different needs. [Breathable Mesh] Both the backrest and cushion are made of breathable mesh, which is steady, well-shaped, and elastic. You can have a comfortable experience even if you sit for a long time. [Fashion and Modernization] The simple and beautiful design of this computer chair is suitable for different decoration styles, and it is ideal for standing desks, sitting desks, bars, living rooms, conference rooms, study rooms, and offices. [Easy to Install] A detailed installation video is in the manual and related video section. You can easily and quickly install it by yourself. If you have any question, please contact us at any time