Ergonomic Office Chair, High Back Adjustable Computer Desk Chair with Lumbar Support and Headrest, 300lb, Black

Why choose Olele?Olele's professional design team has done their best to improve every parts of this ergonomic office chair by dozens of tests so that we can offer you a real ergonomic chair. Olele's is a professional and fast-developing company specializing in office chairs. Due to the specialization . we can put more effort into the design improvement and quality control of our office chair compared with others. Ticova's ambition is to provide nicely designed and comfortable adjustable office chairs with high quality to our consumers.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 . especially for the leg screws.2. Please sit deeper to experience a more supportive backrest . seat cushion and headrest.3. Please choose an open area for assembly. You may put the carton on the floor to prevent abrasion between the floor and the ergonomic mesh chair.4. Avoid long-time dir