DescriptionIf you are looking for a vision corrector, then you must not miss ourvision corrector. Made of high-quality PP material, it is durable and can serve you a long time.It can effectively protect children's eyesight and prevent problems such as hunchback.Features-Material: PP-This corrector can train children to sit correctly and prevent myopia and hunchback. -The height can be adjusted at will, suitable for students of different heights. -The superior materials arecomfortable to sue, and will not harm your child's skin. -Suitable for using while writing, sitting, painting or other occasions. -Lightweight and portable, more convenient to store and carry out.