Red Dingo Bucklebone dog collars are iconic in the industry, known for quality and durability. Our Bucklebone clip has been developed to be the strongest side-release buckle on any dog collar. Made from our soft and comfortable abrasion-resistant webbing with a stainless steel D-ring which will not rust or corrode. XS 12mm x 20-32cm S 15mm x 24-36cm M 20mm x 31-47cm L 25mm x 41-63cm