Safety Buckle- Side release buckle is made out of quality eco-friendly plastic with safety lock to prevent the collar from accidentally opening Soft Neoprene Padded- The cushion from this exclusive feature gives maximum comfort to dogs during activities. No sharp edges or unfold sewing joint. Heavy duty stitching adds durability for long lasting use High Quality, Durable Light Weight- Made of a 100% real nylon with good stitching, lightweight but durable, good for all conditions Easy to UseSafe and reliable plastic button, you can release the collar quickly at any time with one hand Strong Easy to Use - 12 colours high density webbing, quick release buckle, soft padded and D ring hardware, this collar will make your pet look adorable and elegant Puppy collars allow you to easily identify your puppies, and make each of your puppies more unique. 12 Colors: as picture shown Each collar is super-soft and adjustable to provide a snug comfy fit. ID Collars are washable and reusable, perfect for long-term use It can also be used for smaller animals such as cats, hamster, bunnies, guinea pigs and more Material: the highest quality soft Nylon Small: 17.8cm - 26cm in length; 1.0 cm in width Medium: 21.6cm - 33cm in length; 1.0 cm in width Features: Easy to recognize;Soft;Adjustable;Breakaway;Safe Package Include: 12 PCS