Dogs Kingdom Washable Female Cotton Tighten Strap Sanitary Pet Underwear Diapers Sanitary Short Pant Colorful Pet Underwear Diapers Material:Made of nice soft cotton, Washable and reusable. cool and cosy. Size S waist 7.9-11.8", M waist 11.8-15.7", L waist 15.7-19.6". Easy-to-use diaper wraps for dogs. Useful for untrained puppies, females in heat, and dogs that suffer from excitement urination or incontinence. All of the diapers are machine washable so that you can use them multiple times and don't have to throw them out and buy new ones after each use. Not only convenient but also eco-friendly. We highly recommend you measure your pet precisely with a flexible tape measure to ensure an accurate fit. We recommend one size up for comfort if your dog's measurement is the higher end of the range listed.