Description Are you still worried about your child's eyesight damage when writing? If so, our Writing Posture Corrector is carefully prepared for you. It can effectively prevent vision and hunchback problems. A good helper for children to correct their postures. 180° large field of vision does not block sight and does not hinder writing. Features -Color:Sky-blue -Material:Stainless Steel, Sponge -Size:20.00X20.00X1.20cm/7.86X7.86X0.47in -This Corrector can be a good help for bone deformation caused by posture errors, and avoid visual impairment, and can also cultivate good sitting habits. -With the vision corrector, your sit at a scientific direction and eye-protection. -You can get the practical and professional writing posture corrector at a reasonable price. -Writing Posture Corrector is made of reliable and safe stainless steel, sponge material for long time use. -The rack can be widely used. Suitable for kids doing homework, watching TV, reading and more. This Corrector can be a good help for bone deformation caused by posture errors, and avoid visual impairment, and can also cultivate good sitting habits. With the vision corrector, your sit at a scientific direction and eye-protection. You can get the practical and professional writing posture corrector at a reasonable price. Writing Posture Corrector is made of reliable and safe stainless steel, sponge material for long time use. The rack can be widely used. Suitable for kids doing homework, watching TV, reading and more.