The interior is made of wetsuit material, so it is gentle on the skin, light and durable, of course, it is waterproof and stain resistant. Fine-tune the size. Includes a hook to attach lost cards, etc. Reflective ■Product Weight: 1.6 oz (45 g); Neck Circumference: 11.0 - 12.2 inches (28 - 31 cm); Width: 0.9 inches (2.3 cm); Suitable Dog Breeds: Small Dogs; Material: Polypropylene, Neoprene, Metal Fittings, etc.
Adjust the size and secure it to the dogs neck with the buckle