Durable Tactical Dog Collar Leash Set - Military Pet CollarsDurable Material. Dog collar is made of high quality and durable nylon material with neat stitching and soft padded lining to prevent chafing for your dog's skin and hair with a comfortable fit. Magic sticker and quick release buckle double closure. Quick release metal buckle is heavy duty easy to take on and off. The collar actually closes with magic sticker first, then you can lock buckle so there's a double layer of protection so your dog can't rip