Tactical Dog Collar: Made of 1000D reinforced nylon fabric and sturdy double-buckle metal, very durable and wear-resistant, highly recommended to military and police equipment enthusiasts. Width 7cm Neck: Adjustable from 53cm to 70cm. The 7 cm wide rounded corners are comfortable to wear, will not harm the dog's fur, and can protect the dog's neck well. 1 collar for small to large dogs. Thoughtful design and perfect choice. Bi-metal buckle: The bi-metal buckle is adjustable, you can change the length of the collar according to your dog's neck size, the Velcro and metal buckle make it less likely for your dog to fall when training, patrolling, walking and hunting. Rubber Handle and T-Ring: Designed with a special soft rubber handle that allows you to hold your dog directly through the dog collar. T-ring can be attached to the dog leash. Great for quickly controlling busy sidewalks, bike lanes and congested areas.