[2X-Large (26-31 Neck | 4mm Prongs)]
[Large & X-Large (20-25 Neck | 3.2mm Links)]
[Small & Medium (14-19 Neck | 2.25mm Links)]
This product is the combination of a German-made Herm Sprenger training collar quick-release dog collar with the traditional fastener plate replaced by a custom easy-to-use quick snap buckle. The enhanced buckle greatly improves the experience for both you and your dog. Please measure your dogs neck before selecting the correct size to purchase.