Features: Enhancing your child writing skills with our ergonomic weighted silicone pen grip writing aid grip, designed to correct and support proper pen holding techniques for improved handwriting. Crafted from soft silicone, these ergonomic pen grippers comfortably fit various pen size, such as wood pencil, colored pencil, sketch pencil, ensuring long time use without compromising on comfort. Suitable for children, students, toddler, preschoolers, and adults who need assistance in improving their handwriting, these comfortable pencil holder grip is great for anyone who look to develop better writing habits. Whether at school, home, or office, our silicone pen holder grip provide practical writing aid grip for enhancing writing efficiency and comfort across different environment. These colorful silicone pen holder grips not only make writing more enjoyable but also add of fun to any writing task, making it essential tool for learning to write. Specifications: Component: Silicone Color: Black Size: Approx. 5.9x2.9x1.8cm/2.32x1.14x0.71in Suitable for Pen Diameter 0.2-0.5inch Weight: Approx. 32g, 123g Package Includes: Package Option Package1: 1Piece Silicone Pen Holder Grips Package2: 4Pieces Silicone Pen Holder Grips note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color