Two-Finger Grip Silicone Baby Learning Writing Tool Writing Pen Writing Correction Device Children Stationery Gift 3pcsProduct Name: Two finger pen position correction Material: soft rubber Color: green. yellow. blue Packing: OPP Number of products: 3 (magic coat. two colors. 3 colors) use: 1: Baby is a pacifier silicone material. healthy and environmentally friendly. tasteless. five poisons 2: Suitable for ordinary pencils. watercolor pens. gel pens 3: Suitable for children aged 3 13. effectively prevent the thumb and forefinger from crossing. prevent mistakes.