wegreeco Luxury Washable Reusable Dog Diapers (Stylish Pattern) - Female Dog Diapers, Doggie Diapers, 3 Pack (Floral, X-Large)Dog Diapers XL Great for Large Dog waist size 17. 5" to 27". Please measure your dog's waist right in front of the back legs to make a good fit. If your dog is in between sizes, factor in their weight. A heavier do, go up a size. A skinnier dog, go down a size. XL Washable Dog Diaper Specially Design for Female Dog Easy to put on and take off diaper wrap for dogs. Useful for untrained puppies, female dogs in heat, and dogs that suffer from excitement