Fancy Hearts with Black Bottom Dog Diapers Panties Britches Nappies are designed with 100% cotton fabric.  Suspenders are optional and should be ordered on the Suspender page.  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. Quick ship diapers come "as is" as they are already made.  3 week shipping dog diapers offer a larger selection of fabrics.