The DOCO® DD collar features fully welded D-rings for increased safety and strength. This double D-ring collar is designed to relieve pressure on the quick-release buckle, allowing the collar to withstand maximum pulling force. High-quality nylon provides comfort between your dog's neck and the collar. The identification ring is intended for attaching your pet's ID tag. Feel secure and comfortable with this collar, as it is specifically designed for large breeds. Ideal for large breeds and when handling a strong dog. * Matches with DOCO® nylon dog collar: DCSN1048, DCSN1072, DCS2072, DCB1122, DCB1148 Special features: - 100% high-quality nylon - Higher pulling strength - Nylon is resistant to mold, aging, and abrasion - Plastic buckle for quick and easy release - Triple slide system for easy size adjustment - Strong D-ring for use with leash and ID tag - Bright colors easily visible at all times!