- Material: The tactical dog collar is made of 100% 1000D+ nylon, super stainless steel heavy metal buckle, surface through a layer of electroplating process. 2. All collar sizes are adjustable. Dog collar width: 1.5 inches. Measure your dog’s neck before choosing the correct size. 3. Design: The heavy metal fastener can be quickly released and locked. The Velcro area provides a tag or name for your dog. The D-ring can be connected to the leather dog belt. You can easily control your dog with a strong handle at all times. Safe and convenient, allowing your dog to easily feel the commands with the power of the handle. 4. Suitable Dog Breeds: Suitable for most large dogs, such as: German Shepherd, Border Collie, Rottweiler, Great Dane, Doberman, Golden Retriever, Husky, Labrador, Alaskan Malamute, Staffordshire Terrier, Bulldog, Chesapeake Hound, Dalmatian, etc.