Simple Solution Washable Medium Diaper for Dogs 15 lb - 35 lb and wasist size of 15 in - 23 in provides super-absorbent, long-lasting protection;Medium washable dog diapers are made from a microfiber fabric, have a tail hole and repositionable closures to provide a comfortable and secure fit;Each washable diaper has a moisture-wicking liner to protect skin and coat, super-absorbent microfiber pad, and a plastic liner for leak protection;Great for females in dog, dogs with urinary incontinence, excitable urination or travel;Contains 1 machine-washable diaper; for extra added protection use with Simple Solution Disposable Liners