Durable and stylish neoprene collar with high quality printed nylon webbing outer, and soft, flexible neoprene on inside for the dog's comfort. These Neoprene Collars are available to suit a variety of sizes: - SMALL = neck sizes 30cm - 42cm (suitable for small dogs such as Dachshunds, Chihuahuas) - MEDIUM = neck sizes 34cm - 47cm (suitable for medium dogs such as Cocker Spaniels and Kelpies) - LARGE = neck sizes 43cm - 64cm (suitable for large dogs such as Golden Retrievers, Labradors, Australian Bulldogs)