Ergonomic design for better posture This kids desk chair provides dual back support and turnover armrests to support the back and waist. Designed to fit body curves, it helps children from ages 3 to 18 maintain healthy sitting habits, making it a suitable study chair that encourages good posture while they focus on work. Adjustable size for growing kids The chair grows with your child. Seat height adjusts from 17 inches to 21.7 inches using the side handles, and the seat depth can be adjusted to maintain comfort during long study sessions. Easy to adapt for children in the 8 12 age range or younger. comfort with resilience sponge Thick, density sponge is used in both the seat cushion and the backrest, delivering comfortable seating with rebound. This helps relieve pressure during extended study periods and supports focused learning. Stable and safe with self locking wheels The chair features self locking wheels that allow your child to stay stationary when seated or move easily when needed. A strong star shaped base distributes weight evenly, providing a stable and secure seating experience whether the chair is spinning or still. Key attributes Function: ergonomic support, dual back support, turnover armrests, adjustable seat height and depth Compatibility: designed for kids aged 3 18, suitable for home study desks and computer desks Size: adjustable height from 17' to 21.7'; adjustable seat depth for comfort Materials: density, resilience foam for seat and backrest Performance: stable, safe, and capable of long study sessions with easy mobility when required Use scenarios Homework and independent study at a computer or traditional desk, with posture support and adjustable height as the child grows. Online classes or reading sessions that require extended seating, benefiting from the cushioned comfort and back support. Art, drawing, or other seated activities where a stable chair with easy mobility and adjustable depth helps maintain comfortable posture during longer projects.