DOG DOORBELLS - An Easier, Better Way for your dog to communicate!! Dog Training Bells are one of the easy and non-confrontational solutions to toilet train family’s best friend,you can housebreak and teach them how to signal you when they have to gogo!! Using dog bells have is proven to be an easier,fun and a win-win way for your dog to communicate Instead of barking. NEW DESIGN - Each pack of dog doorbell come with a double side tape, dog training doorbell can be placed at any height on the door or the wall, offering more flexibility than the type that can only be hung on the doorknob. Plus, the double-sided tape can be removed without leaving any residue or damaging the surface. EASY TO USE - Use a buckle to adjust the strap is more long-lasting than snap button which easy to pull out from a dog bell strap. Besides, you will get wide range adaptability by sliding the buckle（26.5”-43”）, not 2 or 3 points on the straps. Whether you have a small breed or a larger companion, this doorbell adapts to your needs. SUPER DURABILITY - Made from heavy duty nylon material, reliable & chew resistant, 5 pcs 1.5" extra loud stainless steel Doorbells, Shiny & Jingle! Black strap with polished metal hardware looks great in virtually any. This sturdy design can withstand even the most enthusiastic dogs, providing a reliable signal for years to come. CUSTOMER SERVICE - Your fullest satisfaction is our top priority. If you are not happy with the purchase for any reason, do let us know. We refund or offer an exchange to ensure you become part of COOYOO family. COOYOO Dog Doorbells for Potty Training Puppy Bells Adjustable Door Bell for Dog Attached to doorknob or Anywhere Near The Door, Length and Height Adjustable