Features:
Its structure is simple; however it solved an old and tough problem. It allows people to sit in straight back and maintain a correct sitting posture；moreover Its height is adjustable allowing people to change their sitting posture freely；Folding can be achieved by simple dismantling allowing it to accompany your child everywhere they go.

Usage Instruction: 1. Cushion can be moved onwards and backwards. 2. Adjust the supporting tube to change the height of the whole seat. 3. Rotate the knee pad to adjust it into a cushion for knee supporting. 4. Adjust the handle under the cushion to change the angle of the cushion.

Notices：

1. It can be used only after installation following the installation instruction.
2. Making sure the supporting tube is dovetailed nicely in the bearer before using.
3. Do not lean forward or backward excessively to prevent injury from off-balance.
4. Do not near the chair to high temperature or chemical products to prevent it from damage.
5. Applied users: above 8 years old; the child under 12 years old should be supervised by adults when using it.