Mid-Back Mesh Desk Chair Armless Computer Chair Ergonomic Task Rolling Swivel Specifications ? Product Size(Backrest):15.6"X17.7" ? Product Size(Seat):16.7"X16.3" ? Load Capacity: ? 250 LBS ? Adjustable height: 35.6" -40.4" ? Color: Grey Features ? Soft and thick cushion with mesh ensure breathable whole day ? Simple assembly, only a few steps to complete your office chair ? Mid back mesh chair is specially designed for the long hours of office workers or video game players ? Ergonomically designed backrest protects your neck and back muscles ? Quiet rolling, flexible operation,360-degree swivel and smooth-rolling casters ? Strong back support, for your day of work or games to provide enough comfort, alleviate fatigue Package Including ? Mid back office Chair ? Installation Hardware ? Installation Tool ? Installation Manual We have a perfect after-sales service team, if you have any questions, please feel free to contact us, we are glad to serve you. ??ERGONOMIC DESIGN? - The cushion of office chair,accord with human body engineering design, let your body and mesh chair perfect fit, suit long time use, and built-in lumbar support and back support,with the height adjustable seat! ??EASY ASSEMBLY ?- Our chair comes with all the hardware and necessary tools. With step-by-step instructions, you?ll be set up and ready to game, take on the office in about 15-20 minutes! ??BREATHABLE SEAT? - The padded mesh seat is thick and resilient. Made from premium quality high density thick sponge and a breathable mesh clothe, preventing body heat and keeping your hips and legs cool and sweat-free. ??SMOOTH DURABLE CASTERS ?- The PU casters provide great mobility, suitable for hard floors, carpet and more, while being silent during swivelling and moving without scratching your floor surface. ??ADJUSTABLE CHAIR?- The office chairs provide versatility for an optimized position.Adjust height from 35.6" - 40.4".The seat height of this computer mesh chair can be simply adjusted from 18.3" to 23" by a little push-up/press down at the lever under the seat according to your needs. This chair can support a maximum weight of 250 lbs.