đź“šErgonomic Design - Designed with human-oriented ergonomic construction.streamlined armrests fit the curve of your arms,allowing you to sit comfortably on a work chair. The locking mechanism is easy to adjust the height, keep the back upright, can take care of your lumbar spine, help prevent back strain and muscle fatigue. đź“šEasy To Assemble - We provide all the tools and the detailed instructions for you. No additional tools needed for assembly. For your convenience, all screws have extra backups. It is easy to assemble this office chair by yourself at home. đź“šBreathable Padding Seat - the padded mesh Seat is thick and resilient. Made of high Quality thick sponge and breathable mesh clothes, prevent body heat and keep your hip and legs sweat-free. đź“šLumbar Support - Our mid back chair we use resilient, strong mesh which moulds to your lower back, alongside the waist pillow offering superior support, protecting your lower back and promoting better spinal alignment. đź“šQuality Assurance - All the accessories of our office chair have passed the test of BIFMA, which is a guarantee for your personal safety. The mesh chair can bear the weight of 250lbs. Office chair computer chair desk chair.