Product Material: Leather Color: Black, Brown Number of Bells: 7pcs Package Contents: 1 * Cowhide Doorbell Rope 1. PROVEN TRAINING SYSTEM: If you've been looking for an easy way to train your pup without pads and sprays, look no further. Our doorbell system uses your dog's natural sensitivity to ring and train faster. 2. NO MORE BARKING AND SCRATCHING: Dogs love to communicate with sounds, and our bells give your pooch a pleasant way to tell you they need to go out. Let your pet ring the bell rather than bark and scratch annoyingly 3. EASY TO HEAR: Our copper chimes ring loud and clear yet are easy on the ear, letting you know when your pup needs to go outside. You don't have to worry about indoor accidents caused by not hearing your dog ring his bells. 4. Adjustable Strap: The belt comes with a button that allows you to adjust the length of the bell according to your pet's size. A HIGHER LEVEL OF QUALITY: Because our doorbells are made of genuine leather and high-quality copper bells, you can be confident in their durability and feel good about hanging them in your house for friends and neighbors to see. They will look amazing hanging on your door