First walk of the morning, the collar goes on. It stays on all day. There is a cute ID tag hanging from it. I made a makeshift attachment for it so that it would stay on securely and not dangle around too much. There is also a Pet Pocket I.D. wallet on the collar which holds the rabies tag, license, and a waterproof card with all important info. The collar only comes off after the last walk of the night. We are in and out all day, and the door opens and shuts all day, so I wouldn't want to risk him being without it.