Product Description Material: Iron Color: Original color of stainless steel M: 3.0mm*50cm Applicable Pets: Suitable for large and medium-sized dogs such as Samoyed, German Shepherd, Caucasian, Tibetan Mastiff, Rottweiler, etc. Package Contents: 1 * Large Chrome Dog Chain 1. 【CHROME PLATED STEEL PIN CLAMP WITH QUICK RELEASE SNAP】: This model comes with a quick release buckle that makes putting the collar on and taking it off a breeze. 2. 【REMOVABLE LINKS】: Slightly beveled pin ends. Interlocking links, each link equipped with two blunt pins. Links can be added to lengthen the necklace or removed to shorten it. Up to 4 links can be added or deleted. 3. 【HOW TO PRIZE】: The collar should fit snugly just below the dog’s ears, measure the circumference of the dog’s neck and add 3 inches. 4. 【DESIGN】: This collar has a center plate that positions the ties to apply even pressure to the dog’s neck.