Upgraded Puppy Bells Dog Doorbells for Door Knob/Potty Training/Go Outside-Dog Bells for Puppies Dogs Doggy Doggie Pooch Pet Cat for Dog Lovers-Premium Quality-3 Snaps for Length Adjustment

Bell are made of premium quality material, the surface of bell adopt Plating coating technology to keep it shine and do not rust. Inside ball is made of premium stainless steel to make jingle sounds clear and crisp. Jingle jingle jingle sweet sound.
Sturdiness and Durability. Belt is made out of heavy duty nylon material and tested thoroughly for durability. The connection parts are well-made, solid and reliable. Belts are excellently sewed; the connection parts of the bells and snap points are thick made out of premium material.
The length can also be adjusted in three levels. 3 snaps/buttons for longer range of length adjustment, adjust the belt in step with dog size.
Train your dog to strike a chord to go out of doors or potty with our Luckyiren dog bells, it is an easier way, fun and win-win way for your dog to keep in touch with you rather than barking and scratching.
Important note: This product requires dogs to complete the training process in the instructions to reach the desired effect.