NEW STYLE CHOICES! A dog bell will help you keep up with your dog's whereabouts and let you know if he is moving in heavy cover, woods, or hilly terrain. Made of Pure Copper The snap clips & Bell are made of pure copper, super sturdy, nice and thick metal Heavier and stronger design, sturdy enough to use for big dog Swivel flexibility, Equipped with a full 360 degree capable swivel to prevent tangling the chain Easy to open and lock, the clips can be opened easily by pull down the edge, the D-ring cannot be open, just attach the leashes in it. They can ensure the safety of pets Read more Read more