Meedory Pets Dog Training Door Bell - Makes Ringing Sound When Touched - No More Unwanted Dog Mess Dog training doorbell used by dogs to get human attention with loud and good quality ringing when touched. Perfect for dog behaviour training. Enjoy stress-free house and potty training so you have less mess to clean up at home. Chew-proof nylon training device prevents your pet from chewing and destroying the material. Quality stitching that does not get ripped easily. Long lasting and cost effective. 3 levels for different sized dogs, which can be used by small, medium, or large sized dogs. One size fits all so you wont have to buy new sized bells over time. Save on costly replacements. Sleek design suits most decor and furnishings, so your home will still look neat and decorative. Strong design prevents pets from swallowing small pieces. Enjoy a worry-free experience knowing that your lovable pet is comfortable, relieved, and healthy all the time.