The Max and Neo Stainless Steel Chain Martingale Collar is a high quality dog collar that is perfect for any dog owner who wants to keep their pet safe and secure. Made with a 2mm nylon and a stainless steel chain that won’t rust or break, this collar is durable and reliable. The metal adjustment slider has a loop for dog tags and charms, and the separate easy loop tag holder makes it easy to keep your dog’s identification updated.