CATHYLIFE Upgraded Dog Doorbells for Potty Training, PU Puppy Dog Door Bells with 6 Extra Loud Bells for Dogs Training, Housebreaking, Door Knob, Ring to Go Outside Doggie Pet Supplies.

The Bell Train Puppy is a revolutionary dog training tool that will help you train your puppy in just 3 days! With its unique twist design, this bell door opener allows for easy length adjustment, ensuring a perfect fit for any door knob.

The high-quality stainless steel inner ball produces a crisp and pleasant sound, while the durable PU material strap is both beautiful and long-lasting.

Plus, the reinforced connecting part withstands even the worst of pulling, scratching, and tearing. But that's not all - our Bell Train Puppy also comes with a comprehensive training guide to help you teach your puppy to ring the bell in just 3 days! Simply hang the bells from the door leading to your puppy's outdoor restroom, and watch as they learn to associate the sound of the bell with going outside.

It's easy, fun, and effective - and with our Bell Train Puppy, you'll be able to train your puppy in no time!