tall adjustable study chair

It's a black tech wheel that can sit down and adjust the brake position.
The Kids Ergonomic Chair keeps the body close to the table with a black tech in your fist, the Kids Study Chairs only offers external brake wheels that aren't completely locked, resistance = coefficient of friction * gravity
Then the hand supports the table top to push and pull the table at the same time, sits down also can adjust the position. Ergonomic Reading Chair comes with an on-off gravity lock that is triggered at 30 kg and provides enough resistance to stop unintentional sliding.
Due to the low national standard of finished products and few or no supervision indicators, we adopt international standards to directly monitor each raw material and cooperate with the raw material supply chain with the highest technical capability for a long time, striving to give our children practical safety. Best Study Chair 2021.