Our Dog Diapers Panties Britches Nappies are designed with 100% cotton fabrics. SUSPENDERS ARE OPTIONAL and can be ordered on the Suspender page. Fanciest Dog Diapers are available in all sizes, with or without a tail hole. Machine wash gentle, hang to dry, 100% cotton fabric with Velcro closure for generous adjustability. Please let us know how we can customize a dog diaper to meet the needs of your pet. Washable dog diapers are a perfect solution for dogs and puppies working on housebreaking, dogs in season, dogs in heat, senior dogs, dogs with incontinence or leaking urine.