Featuring the u shape head which has taken the ergonomics design, it can perfectly fit your teeth from inside to outside, and can deeply cleaning dirt for a all-round protection with soft hair, it will deeply into the teeth scatter for detailed cleaning. What this product can offer you is that it has delicate bite design which will be convenient and labor-saving in a 45 degrees to 70 degrees, and can refresh your mouth, it also be reusable for easily washing with water, with a long lifespan without broken. By making with silicone material, this toothbrush head is soft and elastic for you to use. Produced with 3 different sizes, you can choose the suitable toothbrush head for your kids. It is suitable for various kinds of ages baby and kids to use for replace the old head to cleaning teeth. Item Name: Toothbrush Head Material: Silicone Features: U Shape, Silicone, Reusable Style: A(U Type for Young Child), B(U Type for Middle-Aged Child), C(C Type) Size Details: Style A: 4.5cm x 3.6cm/1.77" x 1.42" (Approx.) Style B: 5.2cm x 4.2cm/2.05" x 1.65" (Approx.) Style C: 5cm x 3cm/1.97" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Toothbrush Head