with Bullrunflag's Tactical E collar, you can carry out your pup's training with ease! Plus, you don't need multiple collars to hold a receiver, air tag, Fi trackers, and a personalized name patch. The collar won't budge or slip though out the day, so just one adjustment will do. Quick release buckles make taking it off and on a breeze. We listened to your needs and designed an E collar sure to satisfy your every need. Conquer your canine's training with our innovative collar!