- PREMIUM MATERIAL] - The collar is made of double nylon tape with multi-thread stitching and sturdy metal buckle. Durable and wear-resistant, it is very popular with lovers of military and police equipment. Wear-resistant and durable, can be used for a long time. 2.[Sturdy metal buckle] - High quality quick release metal buckle with smooth locking mechanism, it is a gift for lovers. sogo dog lover high quality metal quick release buckle with smooth locking mechanism 3.[Durable Collars for Dogs] - og collars are made of high quality 1000D nylon and metal buckles and come with a large D-ring for quick and easy leash attachment and a small D-ring for dog tags 4. [Safety] Easy to put on and take off, adjustable, the collar can be adjusted as the dog grows, the metal buckle ensures your dog’s safety, not easy to fall off