The EzyDog Double Up is a secure dog collar with added strength and durability thanks to its two Stainless Steel D-rings, giving you added peace of mind, strength and durability. Attaching your lead to these dual D-rings also helps to bear the pull and force from your dog. The Double Up is made from our proprietary soft touch webbing, that is both soft and tested to be incredibly strong. Not only was durability in mind when we designed this collar, but also your dog's comfort. The Stainless Steel D-Rings and the highest quality materials have been used to ensure that this collar is comfortable and easy to clean. Double the security, double the strength. The EzyDog Double-Up Collar offers superior strength, comfort and peace of mind. It is built with two stainless steel D-rings. These double D-rings will bear the force from your dog, taking the pressure away from the easy-access buckle. Made from the highest quality materials, it is non-rusting and features soft-touch nylon webbing for comfort. Reflective stitching is incorporated for nighttime safety and an ID attachment is included for your dog’s tag. Durable dog collar Two stainless steel D-rings Bears the force from your dog Easy-access buckle Made from the highest quality materials Non-rusting and features soft-touch nylon webbing Lightweight and comfortable Reflective stitching for nighttime safety ID attachment Sizes:Small - 22 - 29cmMedium - 29 - 40 cmLarge - 39 - 59 cmXLarge - 47 - 71 cm