Color as shown Size: 75 x 2 x 2 cm Weight: 100 grams Excellent communication tool with the dog: our doorbells The door trainer provides a simple, non-confrontational solution to potty training the family’s best friend. You can teach him to let you know when he has to leave!!!! Using dog bells has proven to be an easy, fun and rewarding way for your dog to communicate instead of barking. High Quality Doorbell: The bell hangs on the dog door is woven from durable cotton rope, which is beautiful and eco-friendly. The 6 bronze rings are made of durable metal with a special processing technique that gives them a classic style. Its sound is very cute. Versatile Design: The dog potty bells provide 2 levels of length adjustment, you can easily hang this dog doorbell on the doorknob or attach it to a handle sliding glass door. Easy to hang and hang on the door as you need. Take them with you when walking your dog to avoid confusion and possible accidents. Perfect Gift: It uses a tail flow