Student Anti-myopia Eye Protection Bracket Sitting Posture Corrector(U Shaped Green)

1. Material: ABS
2. Applicable age: 3 years old and above
3. Scientific perspective, ergonomic design, easy to maintain correct sitting posture
4. Scientific distance protects eyesight. The eyes are one foot away from the book. When using, the eyes and the table form an angle of 15 degrees.
5. Adjustable height, suitable for children of different heights
6. Detachable design, no need to install the clamp table for fixation
7. Silicone anti-slip design makes clamping more stable and does not damage the desktop
8. Threaded knob, comfortable to hold
9. Full viewing angle without blocking sight, writing freely
10. Size: The distance between the two bases is 16 cm, the height is about 23 cm
11. Weight: about 400 grams