Soft Bristles Made of soft and dense PBT material, dense bristles relieve pressure, easy to foam, soft touch, good flexibility; Small Brush Head Flexibly and deeply cleans the plaque hidden in the teeth and gums, cleans carefully while taking care of the gums; Cartoon Brush Handle Rounded and non-slip, comfortable to hold, more suitable for the curvature of children's hands. 3 Colors & 8 Packs Convenient for families with multiple children to change and use without confusion.