Perfect for small dogs. With thousands of silky bristles per brush, these mini PEARL toothbrushes are super gentle on dogs sensitive mouths and gums. Our Mini version is made with an eco friendly wheat-straw composite handle. This toothbrush is also made with a PBT polymer material bristle (80 Micron wire diameter) PBT bristles have excellent moisture resistance which keeps bacteria from growing. You will want to save this beautiful container to store your brush (keeping it clean and dry)