Item Type: Military Dog Collar Material: Nylon, Metal Uses: Medium and Large Dog Collar, Lamb Calf Collar1Premium Material: Military dog collar is made of durable nylon material, breathable and lightweight, and neatly stitched, ensuring your dog is comfortable to wear and will not rub against the dog's skin and hair. 2Widened Design: Military training dog collar features a widened collar design that provides additional cushioning and evenly distributes pressure to help prevent injury to your pet's throat and increase comfort. 3High Safety: The nylon dog collar has a double breasted metal buckle that is easy to open and adjust, making it difficult to break, and the double seal is secure and adjustable, providing security and preventing the dog from shredding it. 4Adjustable Length: The military dog collar has a metal double pin with 5 adjustable points to easily adjust the length of the collar as needed. Suitable for a variety of large dogs. 5Firm Connection: Military training dog collar uses a heavy duty thickened D ring buckle, which is super strong and durable, and the attached chest harness is more secure, which is very safe to use, and is very suitable for pet field training. 1 xMilitary Dog Collar