DOCO Diamante Nylon O-Ring Collar w/Neoprene provides a more robust neoprene for a comfortable fit and less pressure around your dogs neck for every day leisure and outdoor activities. Plastic buckle that quickly clicks shut and stays put. Designed with adjustable tri-glides for fast adjustment and custom fits for different neck sizes. Heavy-duty stitching for lasting quality and metal O-rings for securing your lead. Solid and vibrant colors are easy to see. Make sure to select the matching leash to complete your series.