Dog Potty Training Bell Doorbell Adjustable for Housebreaking Housetraining Door

brand new and high quality OOTDTY Features: An easier, better way for your dog to communicate. Instead of hearing barking and scratching, you hear the gentle jingle of Zacro bells Adjustable door bell length for small, medium and large dogs Hang strong Zacro bells from any Doorknob or handle Nylon adjustable doorbell strap and 7 piece 1.4" extra loud stainless stell bells Specifications: Materia:nylon Size:Length 75cm/29.53''(adjustable) Color: Black Quantity: 1 pc Note: 1. Transition: 1cm=10mm=0.39inch 2. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!