- Patriotic knot collar, suitable for small and medium-sized dogs, cats, puppies, rabbits and pigs. 2. The material is tape. Healthy and safe for small animals. You don’t have to worry about the quality. 3. The dimensions of the bow are approximately 3" in diameter. As the picture shows, there are 3 colors in one package. 4. There is an elastic band at the back of the flower .You can easily slip them over a regular collar (usually 15-30mm wide).They make the best pet collar bow accessories.Just a bow, no collar.