1. [Five designated positions] The pencil diameter is 0.3 inches (about 0.8 cm). The ergonomic groove design helps position all five fingers instantly, supporting the development of proper pen grip posture from the beginning and gradually establishing correct finger placement. Suitable for children ages 2-4. Ideal school supply for writing beginners. 2. [Reduce writing fatigue] Made with soft, smooth materials and an ergonomic design, this pen grip helps children avoid gripping the pen in a fist, reduces muscle strain, and promotes comfortable, legible writing. Helps prevent finger redness and calluses. Designed to support proper pen holding for children. 3. [Advanced safety material] The pencil grip is made of high-quality soft silicone, non-toxic and odorless. Elastic and durable, it provides a comfortable hold and a natural writing experience for children. 4. [Original design] Combining insights from various pen grips on the market, this unique 5-finger pen holder is designed based on natural finger positioning when holding a pen. 5. [Meet the needs of different users] Pencil grips are suitable for children, students, adults, or individuals with arthritis. Regular use may help prevent calluses on the middle finger and support long-term healthy writing habits.