Full Description This 4cm width Combat collar is pressure tested and equipped with a secure 6mm width Stainless Steel D Loop plus our signature rated clip for quick release and lock. The clips have undergone rigorous pressure testing (in excess of400lbs of pressure), giving you peace of mind when out with your dog. For extra security, the clip must be opened by pressing both levers simultaneously. For your dog’s comfort, the collar is lined with neoprene – odourless, water resistant and gentle on fur. Easily adjustable size with a metal adjuster. Suitable for daily use with any breed, from staffies to Rottweilers. Additionally, used by professional dog handlers, police and military. A strong collar, pressure tested, rated clip, equipped with an emergency handle for added security and gentle on your dogs neck? This collar is exactly what it says on the tin.   The next measurement should be taken around the lower part of your dog’s neck, simply measure the widest part at the base of the neck as this is where the collar is going to sit. This size chart is based on min-max measurements. This 4cm width collar is suitable for medium-large breeds such as Frenchies, Staffies, Spaniels, German Shepherds, Huskies and upwards. If your dog is smaller or larger than these breeds, please see our 2.5cm and our 5cm collar versions. Size Neck Girth Medium 14″-21″ or 35cm-54cm Large 17″-28″ or 43cm-72cm