Zelta Pet Finger Brush Toothbrushes for Small Cat & Dog Oral Care Pack of 3 Size: 2.16" x 1"; Diameter: 0.65"; Brush length: 0.87" Reusable, can be used with toothpaste Made from skin soft silicone; Securely fit, great to use to brush any dog or cat Finger glove & soft bristles design helps pet remove oral bacteria. It can easily sweep away the toughest food debris Slides the brush in your index finger, if you have larger finger, place the brush into hot water then put onto finger to slightly stretch the material