Paw Ready Bite, Block Toothbrushing Aid, helps access your puppies', dogs', and cats' teeth for easier brushing. The Ready Bite Block will enable you to brush your pet’s teeth without worrying about getting bitten. The unique natural rubber design protects your fingers while gently probing your pet’s mouth to allow for brushing. Available in two colors (blue and orange) and two sizes (small and medium). The small size is recommended for dogs and cats between 5 and 15 lbs. (2-7kg) and is safe for Puppy’s 28 baby teeth. The medium size is recommended for dogs and cats between 15 and 85 lbs. (7 and 38kg).