VIVA OFFICE Children's Desk Chair with Adjustable Height,Depth and Foot Rest Fashionable ergonomic mesh desk chair for children under 12,designed to provide comfortable sitting experience during study hours.Height adjustment range from 17.3 to 23.6 inches Adjustable back depth and seat height, ensure your kids can use it for a long time, adjustable and detachable foot rest meets different sitting requirements Pneumatic seat height adjustment and high quality ylon base and ylon casters for easy mobility. Free component-exchange provided for one years after purchase All VIVA office chairs have passed the BIFMA testing standards for all applicable features.