Ultra-tapered and flat bristles scrape dirt from the periodontal pocket, and flat bristles remove dirt from the tooth surface.Anti-slip rubber is also used for the finger holding part.It is a rubber grip that fits perfectly in your hand and is easy to grip.. Color: N/A, Materials: Handle material: Main body: Polypropylene / Rubber, EPDM, polypropyleneHair material: Saturated polyester resin, Size: N/A, Care: N/A