Qwork is a professional ergonomic office furniture supplier. We pay attention to sensory comfort for healthy quality of life and provide service. We can give you comfortable experience and fashionable modern office chairs. Breathable Mesh Back A super comfortable office chair features breathable mesh back that allows air to circulate to keep you cool and gentle support at any time! Seat Height Adjustable The seat height of this office chair is fully adjustable to fit various preferences. The padded mesh seat is thick and resilient which keep your hip and legs sweat-free. Adjustable Armrest Adjust the height of the armrests of the mesh back desk chair to rest your arms and concentrate at your work. 360-degree Swivel Casters These 360-degree swivel double casters provide freedom of movement in any direction without any sound. Read more Usage advice 1. Make sure the ergonomic mesh chair is firm enough before usage. If the mesh chair is shaky, uneven, tilted or with noise, please screw up further. 2. Please choose an open area for assembly. You may put the carton on the floor to prevent abrasion between the floor and the computer chair. 3. Avoid long time direct sunshine on the ergonomic chair. Keep it away from fire and wet area. 4. Do not use chemical detergent to clean the mesh chair. 5. Our chairs ensures the safety of users up to 275 lbs. Read more Recommended Daily Usage Heavy Usage (Up to 8 Hours) Weight Capacity 275 Pounds Frame Material Metal Frame Material Details Chrome Back Construction Mesh Back Construction Detail Plastic frame with mesh fabric Armrest Type Flip-Up Armrest Material Plastic Caster Type Double Wheel Compatible Flooring Tile; Carpet; Hardwood; Concrete; Linoleum Product Care Wipe clean with a dry cloth