Feature:   1. Correcting Sitting Posture: This corrector can help relieve the bone deformation caused by the wrong posture, avoid vision damage, and can also cultivate a good sitting posture. Protect the normal development of the spine and improve the child's concentration.     2. Comfortable Design: This sitting posture corrector adopts the design of double chest support, which supports the child's chest, which is more comfortable and prevents the child from lying on the table.     3. Soft Silicone Pad: Effectively buffer pressure, write more comfortably, effectively absorb collision force, reduce front chest pressure, and make it safer to use.     4. Easy Install: This sitting posture corrector is easy to use and install, just clip the bottom shelf to the table and adjust the height of the corrector to your child's height.     5. Sweet Gift: This sitting position corrector is ideal for your child as a birthday gift, holiday gift and Christmas gift to protect the healthy development of your child's spine.             Specification:       Item Type: Sitting Posture Corrector       Material: ABS       Function: The double chest support embracing design makes the best use of the situation to attract children to get closer and more comfortable.               Package List:   1 x Sitting Corrector               How to use:       1. Take out the posture device, clamp it on the table, move the big nut, and lock the clamp.           2. Adjust the height of the neck brace: press the switch with the left hand, adjust the height of the neck brace up or down with the right hand, adjust the height to the appropriate height, and release the switch.           3. Adjust the height of the top chest: hold the neck brace with the left hand, adjust the height of the top chest up or down with the right hand, and lift it to the appropriate height.