【Train Your Dog Well!】Want to know the pet's urgent need to go to the toilet in time? Want your pets to get better training to keep your home clean and tidy? It’s time to get your dogs a set of dog training doorbell! This adjustable dog ring bell can effectively train dogs and let them know that they can go out as long as ring the dog bell, thus improving the interaction with you and your pets and solve their physiological needs in time. 【Premium & Sturdy Material】Made of high-quality nylon strap and extra loud tinkle bell, this premium dog ring bell for going outside is durable, sturdy, bite-resistant, and non-toxic. All the materials are 100% healthy, so even if the dog keeps biting the rope, it will not cause damage to their teeth. A must-have for daily training and playing. 【Adjustable Length & 7 Doorbells】Unlike other puppies supplies on the market, this durable go outside dog bell has a 3-snap design so that the length can be adjusted easily according to your training needs. The 7 bells can make a loud sound to let you notice the dog's needs and solve them in time.