Ergonomic Support for Healthy Posture Dual contoured backrest and flip up armrests cradle the spine and promote proper alignment, adapting to natural body curves. Designed for kids aged 318 to encourage active sitting habits and reduce fatigue during study sessions. 3Stage Growth Adjustable Seating Seat height adjusts from 17 to 21.7 inches with a side lever. Seat depth adjusts via a rear knob. The chair grows with your child, ensuring an fit for children from preschool to teen years when paired with a kids desk. Comfort for Long Study Hours density memory foam cushions in the seat and backrest retain their shape while providing supportive comfort. Breathable upholstery helps prevent overheating, supporting focus during homework and extended reading or creative activities. Safe Wheels and Sturdy Base Auto braking casters secure the chair when seated and glide smoothly when needed, supporting a 150 lb capacity. Reinforced star base helps prevent tipping. Scratchproof wheels protect floors during movement. Usage scenarios At a home study desk: provides proper posture, reduces fatigue during long homework sessions, and supports growing children as they study. Arts and crafts or computer work: comfortable cushions and adjustable seating accommodate extended projects and screen time without compromising posture. Transitional growth phases: the height and depth adjustments allow the chair to continuously fit a child from preschool through teen years, maintaining proper ergonomics as they grow.