DOCO..VARIO.O-ring Collar DOCO..VARIO.Collar.is 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 DOCO..VARIO Leash: DCV2072, DCV5048, DCV102 Special Features 100% high quality nylon with 2mm reflective stitching Higher tensile strength than polyester Nylon is resistance to mildew, aging and abrasion Quick & easy release plastic buckle Tri-glide for easy size adjustment .Heavy duty O-Ring for leash and ID tag Vibrant colors are easy to see at all times .DOCO..VARIO.O-ring Collar DOCO..VARIO.Collar.is 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 DOCO..VARIO Leash: DCV2072, DCV5048, DCV102 Special Features 100% high quality nylon with 2mm reflective stitching Higher tensile strength than polyester Nylon is resistance to mildew, aging and abrasion Quick & easy release plastic buckle Tri-glide for easy size adjustment .Heavy duty O-Ring for leash and ID tag Vibrant colors are easy to see at all times .