Keep track of your precious puppies with this versatile 12-colour whelping collar set. Each collar features an adorable paw print pattern and is crafted from silky-soft nylon that's gentle on delicate puppy fur. The adjustable design with safety buckle ensures a secure, comfortable fit as your puppies grow, available in both S (17.8-25.9 cm) and M (22.9-30.5 cm) sizes with 0.4 cm width. The stainless steel D-ring provides durability, while the quick-release buckle allows for easy adjustment and removal. These washable and reusable collars come with two record-keeping charts to help you monitor each puppy's development. The water-resistant design makes cleaning a breeze - simply wash and reuse as needed. Perfect for breeders and owners alike, this comprehensive set helps you identify and track each puppy in your litter with both style and practicality. The length-adjustable buckle ensures these collars will adapt to your growing puppies' needs.