This kids ergonomic desk chair combines adjustable comfort with a space-saving design for homework, reading, gaming, and creative activities. The breathable mesh backrest includes lumbar support, while the saddle-shaped seat uses high-density foam for comfortable weight distribution. The pneumatic lift adjusts the seat height by 3.94"", and the 90degree(s) flip-up armrests can slide beneath a desk when not in use. A five-claw metal base, Sgs Class-4 gas cylinder, five casters, and 360degree(s) swivel provide stable, flexible movement. Designed for children and teens, it supports up to 350 lbs. To clean, remove and wash the cushion cover according to care instructions and wipe the frame with a damp cloth. Assembly takes about 15 minutes.