This BullyBillows Combat® Collar is 4cm wide and features a secure 6 mm stainless steel D-ring and our signature-rated combat clip, which allows for quick release and locking. Our Combat clips have been tested to withstand over 400 lbs of pressure, giving you peace of mind during your walks, that your dog is safe and secure. For added security, the clip can only be opened by pressing both levers simultaneously. In case of an emergency, you can utilize the double-stitched handle to gain control of your dog. The collar is lined with neoprene, which is odourless, water-resistant, and Gentle on your dog's fur, making it suitable for daily use with any breed, such as Staffies to Rottweilers. This collar is also favoured by professional dog handlers, as well as police and military personnel due to the above reasons as well as being easily adjustable; simply thread the nylon through the metal adjuster to change the sizing. In summary, this strong collar features pressure testing, a secure clip, an emergency handle for extra security, and comfort for your dog's neck. It truly delivers on all aspects.