Antibacterial nanomaterials prevent the growth of bacteria, keeping the mouth healthy. 360Ā° bristles help babies reach all corners of their mouths. Modular brush, glue-free, safe and hygienic. Soft bristles protect the babyās gums. Hand guard helps avoid accidental injuries to the babyās throat. A candy-colored appearance attracts the babyās attention. Adequately spaced bristles help facilitate ventilation and brush drying after each use.