Specification Packing: 1 pack (including 12 collars of different colors) Material: Nylon Size: 10mm(0.39in)x400mm(15.7in) Feature Lightweight and easy to use, it can be reused and does not fade. The straps have fixing materials, so you can fix them firmly or trim them to the right size. Easy to identify, the 12-color puppies puppy collar provides a good solution for identifying puppies without any effort. The double-sided soft fabric provides gentler care for the tender skin of the puppies. It is less itchy and more comfortable than a pet's single-sided ID belt. Very suitable for small animals or newborn puppies and kittens to ensure that your pet will not be confused.