Ergonomic design for children ages 318: dual back support and turnover armrests provide solid support for the back, waist, and arms. The chair follows kid body curves to help develop healthy sitting habits and promote proper posture during long study or play sessions. Multisize adjustment to grow with your child: seat height ranges from 17 to 21.7 inches, adjustable via a righthand lever under the seat. A knob on the rear under the seat cushion adjusts the seat depth for a comfortable fit as your child grows. Durable construction you can rely on: main frame built from quality metal and plastic materials. A strong, reliable cylinder adds stability and safety for everyday use. Comfortfocused cushioning: backrest and seat cushion are filled with thick resilience sponge. density and fast rebound help maintain comfort during extended sitting. Practical for desks and computer setups: designed to fit kid desks and computer workstations, supporting a range of activities from study to creative tasks. Use scenarios Home study or schoolwork at a kidsized desk with height set to fit the desk and growing child. Reading or drawing sessions at a desk, maintaining upright posture for comfort. Computer time or online learning at an ergonomic height to reduce strain during extended use.