Comfortable Military Dog CollarMade of premium military-grade 1000D nylon material, these heavy-duty dog collars are durable, strong and abrasion-resistant, with a soft padded lining to protect your dog's skin and hair from abrasion. Adjustable Metal BuckleOur military dog collar has a heavy-duty metal D-ring and double-pin buckle with 5 adjustable points, the metal round buckle is adjustable, you can adjust the size of the dog collar. The D-ring can be attached to a dog leash, which is great for quick control on busy sidewalks, bike paths and congested areas. Velcro Panelk9 dog collar design with Velcro panel, suitable for ID tags, training patches, badges or other accessories with hook and loop. It can be a good decoration for dog collars, making the collar special and beautiful. Multi-Purpose Dog CollarOur military dog collar is ideal for dog training, patrolling, hiking, working, walking, running and hunting, and is designed to fit medium and large breeds. Such as Great Dane, Mastiff, Doberman Pinscher, Rottweiler, German Shepherd, etc. Choose the Right Size1.5 inch wide dog collar, size M: neck length (15.35''-19.29''/39-49cm); size L: neck length (18.9''-22.83''/48 -58cm); Size XL: Neck length (22.86"-24.8"/53-63cm). Before purchasing, please measure your pet or working dog's neck with a soft tape measure or string to get the most accurate measurement.