Specification: Material: Soft glue Size: 4 * 5CM Color: green, pink, blue, orange Weight: Approx. 85 g Package included: 8 * pen holder Correct the writing posture effectively: Children put their thumb, index finger and middle finger lightly on the specific position of the pencil grip and master the grip position in a second. Compared to other pen holders, children's fingers do not feel pinched or uncomfortable thanks to the pencil grip we designed. Meet different needs of children: Teach children who are new to writing, Quickly learn the correct posture while holding pens and get used to correcting your writing skills. Or help older children who can write but have joint problems to relieve the pain when writing. Compared to the cheaper silicone on the market, our grips are softer, less odorous and more elastic. It can ensure maximum comfort for children for long-term writing and prevent calluses or pain on the fingers.