1Improve Sitting Posture: This sitting posture corrector is suitable for students to correct their sitting posture, protect their eyes and spine, simple and practical. 2Soft Silicone Long Pad: Skin friendly, more comfortable to use. Conform to ergonomic design, helps maintain correct sitting posture without blocking line of sight. 3Vision Protection: Posture correctors protect children's vision, avoid visual impairment, good for normal development of the spine, and cultivate good sitting habits. 4One Key Height Adjustment: The height of the corrector can be adjusted according to the height of the child, considerate design, convenient for use. 5Easy To Install: Clip the base part of the correct directly to the table. Posture corrector adopts quality ABS material, stable and firm, sturdy for use.