Feature 1Improved Posture: This sitting posture corrector is perfect for students to correct their sitting posture, protecting their eyes and spine, and allow them to grow healthily. 2Easy to Install and Use: Just clip the base part on the table, then adjust the height of the corrector according to the child's height. 3Avoid Visual Impairment: Helps improve bone deformation caused by wrong sitting posture, avoid visual impairment, and also cultivate good sitting habits. 4Full Viewing Angle: No blocking of sight, keep your child in a good sitting position without constant reminders, protecting vision and contributes to the normal development of the spine. 5Exquisite Workmanship: Attention to details, finely polished button, non slip base, adopts premium ABS material, skin friendly, comfortable to use.SpecificationItem Type: Sitting Posture CorrectorMaterial: ABSWeight: 379 g / 13.37 oz(approx.) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Sitting Posture Corrector