3-Pack Dog Communication Bells for Potty Training

["Premium material: The dog potty bell is made of fine metal material, and on the surface, it has a rustproof coating and cute pawprints. It's anti-rust and abrasion resistant. So you can use it for long-term training or play." Portable: The dog bells are small, lightweight, and easy to take out and could be put in a backpack or pet bag. And you can put the pet potty training bells in any place, like the dinner table, the toilet, or the front door. Easy to use: No need to install; just put it on the ground or any flat surface. The pet will ring the bell by tapping the button with their paw or nose. 3 Pack: Three sets of bells have high cost-effectiveness and no need to move the bells frequently. They can be placed in the desired location at once. Multi-purpose training tool: The dog doorbell is ideal for pet training at the toilet, dinner, interactive games, etc. Besides, it could be used as a reminder bell on the front desk at the office, shop, or hotel.