About this item Rich Quantity: there are 24 pieces of puppy collars in 19 different bright colors, which can help you easily identify each puppy and monitor their health, ample quantity can meet your using and replacement needs Adjustable Design: the whelping collars are about 7.5-12.6 inch in length, 0.4 inch in width, suitable for small dogs, puppies, cats and other small animals; Equipped with sliding buckles, they can be easily adjusted according to your pet’s neck size; Please measure your pet’s neck girth before purchase Soft Material: the newborn puppy collars are made of quality nylon, which own soft and comfortable hand feeling, friendly to pet’s skin, offering them a comfy wearing experience Convenient to Wear: the dog collar with bell is equipped with a quick release buckle, which can be easily and quickly put on and take off, convenient to wear Multiple Occasions: the breakaway dog collar is suitable for home, pet shop or stray animal protection center use, letting every animals get care