Feature: 1. MECHANICAL DESIGN: Pet training bells are mechanically designed, no batteries need to be installed, press the top button to ring, not press it does not ring. 2. CRISP AND CLEAR SOUND: Dog training bell is brightly colored and has a crisp sound that instantly captures your dog's attention. 3. TRAINING EFFECT: Pet bell toys are used to train your dog's reflexes, so your dog will know what to do when he hears the bell ring. 4. EASY TO PRESS TOUCH: Pet training tell bell is easy to press and touch to make a sound, very convenient, which could be the best choice for you. 5. PREMIUM MATERIAL: Dog buttons are made of steel, with excellent craftsmanship, not easily damaged, and can be used for a long time. Specification: Item Type: Pet Training Bells Material: Steel. Package List: 1 x Pet Training Bells