Durable Material. large 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. Double pin buckle design. This heavy duty dog collars has metal double pin buckle with 5 adjustable points, convenient for you to adjust the length as desired. Elastic band of this k9 collar tactical will put away the adjusted extra belt. so your dog can't rip it off. Simple Design. There isn't a lot going on all over the collar and it's comforting for the dog to lay down flat without a handle, bumps, spikes, etc obstructing or interfering with their sleep.