1. Spiral bristles, enhance the friction between the bristles and the tooth surface, and enhance the cleaning power 2. Round brush head, small head design, 360 degree cleaning of the mouth 3. The handle is comfortable to hold and fits the curvature of the hand 4. Material: PP, PBT 5. Size: about 18.5x1.5cm/piece 6. Weight: about 38g/box (2 pieces/box)
