DOCOVARIOO-ring CollarDOCOVARIOCollaris constructed with HIGH quality 2mm reflective stitching nylon and high tensile force plastic fittings. The unique placement of the fully welded O-Ring allows for easy attachment for a leash. The design ensures a breakaway system that catches the buckle and allows you to re-fasten the collar before your dog is freed from the collar. ID ring for attaching your pets identification. Feel safe and secure with the collar.*Match with DOCOVARIO Leash: DCV2072, DCV5048, DCV102Special Features 100% high quality nylon with 2mm reflective stitchingHigher tensile strength than polyesterNylon is resistance to mildew, aging and abrasionQuick & easy release plastic buckleTri-glide for easy size adjustment Heavy duty O-Ring for leash and ID tagVibrant colors are easy to see at all times