Wee-Wee Disposable Diapers are a comfortable and highly absorbent solution when used for incontinence, untrained puppies, females in season, or dogs with excitable urination. Designed with fit in mind, our Fur-safe Flex-Fit stretch waste band and convenient tail opening allows for a proper fit on a variety of dogs. Chlorine and dye-free . Available in 4 adjustable sizes. Medium fits 15-19 lbs. and 15" - 18" waists.