<br><b>Precise positioning, let kids quickly learn the correct position for writing. <br>Reduce the phenomenon that head is tilting and bowing while writing ,so as to reduce the incidence of myopia. <br>Relieve writing pain and discomfort. <br>Provide writing control for people with poor fine motor skills. <br>Improve the comfort of writing.</b> <br><br><b>Warning:</b> <br>This product is not suitable for children under 3-year old. <br><b>Specifications: </b> <br>Material: silicone <br>Size:2* 1.6* 0.7 inches <br>Hole Diameter :8 mm<br>Color：Orange,Light blue, Green. <br><b>Package includes: </b> <br>3 x Pencil grips