Pet diapers and pet pad are generally suitable for dogs that are difficult to adapt to the new home, and some have incontinence, so many pet parents regard diapers as a family training resource.
Like humans, pet diapers come in different sizes too, so first of all, you need to weigh your dog. measure the waist circumference when the dog is standing. For male dogs, you need to make sure that you measure forward enough so that the front of the diaper covers the urethra, otherwise it will be useless when it urinates.
After selecting the appropriate size, you should also wear it correctly. The correct wearing method is shown in the figure
https://www.yiyipad.com/dog-diaper/male-and-female-pet-diapers-puppy-disposable.html
