Adjustable Swivel Computer Desk Chair Fabric Mesh Office Chair with Arms Seating Back Rest,BlackCategory: Blank Cool Mesh* Feature: HEAVY DUTY: This office chair is constructed of premium nylon mesh backrest, plastic armrest and metal; solid structure can satisfy your daily needs, durable and sturdy chair for your long-term use HEIGHT ADJUSTABLE: Features with a gas lift beneath the seat to adjust the height, easy adjustment to customize your desired chair height THOUGHTFUL-DESIGNED BACKREST: According to your different sitting position, the tilt angle of the backrest can be adjusted by a simply rotating the control knob under the seat; breathable backrest is made of high quality nylon mesh, which is good for heat dissipation in summer 360 DEGREE SWIVEL CASTERS: 5PCS non-marking casters can be rotated in all directions, convenient for you to move the chair, fetch files/books, etc. COMFORTABLE: 2.8'' Thick sponge padded seat offers you a soft and comfy experience; ergonomic armrests help you relax in a most comfortable way after your long time work PRACTICAL: Sturdy and stylish chair is suitable for office, study use * Specifications: Material: Nylon & Iron & Plastic Overall Dimension: 23.6 x 21.1 x (33.1-37)'' (WxDxH) Adjustable Total Height: 33.1-37" Adjustable Seat Height: 14.6-18.5'' Armrest Size: 11.6 x 8.7'' (LxH) Seat Size: 18.3 x 17.3 x 2.8" (LxWxThickness) Backrest Size: 16.1 x 15.2'' (LxW) Max. Capacity: 220 Lb G.W.: 19.8 lb Color: Black * Package included: 1 x Mesh Chair 1 x Assembly Instruction * Please Note: This mesh chair is only a basic one. The backrest is only for supporting your back while sitting. It is not suitable for people with relatively strong and big body size to lean back too far, otherwise the backrest might be broken.