Durable Material. Made of high quality and durable nylon material with neat stitching to prevent chafing, the soft hook & loop is applied inside the dog collar to provide comfortable wear for your dog. The control handle allows you to grab your dog from the collar, makes it very easy when putting your dog in the car or walking him or her at your side with a firm and secure grip. The tactical collars fit medium and large Dogs. Used for Service Dogs, Police K9, Military dogs etc. D-Ring Design. The tactical k9 collar has a sturdy D-Ring for dog leash attachment. Size: (16-23.5'')/(40-60cm). Quick Release Buckle and Elastic Band: heavy duty metal buckle is easy to take on and off. The metal buckle closes first, then you can pull the elastic band over it, so there's a double layer of protection.