Specifications of the office chair: Total height: 75-85 cm adjustable (10 cm); Seat height: 44-54 cm (10 cm); Material: breathable mesh, plastic back, metal base; Maximum load: 100 kg Ergonomic and comfortable: the ergonomic design of the office chair is based on the human dynamic digital model. You can easily adjust the height of the chair from 44 to 54 cm according to your needs. The thicker seat cushion is made of high-quality cotton with high density and offers more comfort during long-term sitting without deformation Comfortable backrest and movable base: the backrest of our chair is breathable and at the same time protects the spine, helps to correct the sitting posture and provides maximum comfort. The base is well reinforced without worrying about sudden falling. Our office chair has five 360° free swivel castors so you can move the office chair flexibly and easily. Hollow plastic backrest: the backrest with a mesh structure ensures breathability even on warm days. The PP plastic backrest can be cleaned easily and easily. Simply use a damp cloth and mild detergent to wipe off stains and dust. Multiple colors to choose from: Soft Morandi color scheme study chairs, different colors bring warm colors to the room. This office chair is suitable for offices, study rooms, and bedrooms, and is an ideal choice for adults and children to work, play, and study.