Package included: You will receive 16 puppy ID collars in 16 colors, which can help you better identify your newborn pet High-quality materials: Puppy ID collars are made of high-quality materials, sturdy and durable, without damaging the pet's neck, and can also make it easy for you to track your pet.These puppy id bands are handcrafted from washable and reusable soft polyester so they won't stick to fur on bedding Advantages: The length of puppet ID rollers can be adjusted according to the size of the pet, making it easy to adjust and maintain its shape,reducing the trouble of frequently changing collars. Easy to use: These puppy identification collars have an adjustable hook and loop design to suit the size of each pet. Suitable for some pet puppies that grow very quickly. Put them on the neck of the newborn puppies so that you can identify them easily by the color. Bright colors are a stylish decoration and also allow you to easily track your pets. Warm Tips: We recommend that you wait until your newborn is at least 5 days old before putting on a collar, and be sure to check if your pet's collar is too loose or too tight. Also can be as an ideal gift for your families or friends who really love pets.