- Easy Identification: This package includes 14 vibrant colors of leather puppy collars, making it simple to distinguish between each puppy and keep track of their individual needs. - Fully Adjustable Fit: Designed for pets with neck sizes ranging from 6.3 to 12.6 inches, these collars feature 17 adjustment holes for a customizable fit that accommodates puppies at various growth stages. Measure your dog's neck circumference with a soft measuring tape to select the appropriate size. - Soft and Durable Material: Made from high-quality Nappa PU leather, these collars are not only stylish but also lightweight, strong, and resistant to cracking and wear, ensuring long-lasting use. - Versatile Compatibility: With ample room for growth, these collars are suitable for small, medium, and large dogs, as well as cats and other small animals. They are perfect for use until the next litter of pets arrives. Use Cases: 1. Ideal for breeders to easily identify and differentiate puppies during playtime and feeding. 2. Perfect for pet owners with multiple animals, allowing quick identification and monitoring in a busy household. 3. Great for training sessions, where color-coded collars help ensure each dog's progress is tracked effectively.