Alfie Pet by Petoga Couture - Helia Diaper Dog Sanitary Pantie with Suspender (for Girl Dogs) Size Medium fits waist girth (measures in front of the back legs) 12" - 16" Eliminates problems from untrained pups, females in season, incontinent dogs and excitable urination Place adhesive napkin on inside of garment to adsorb liquids Made of nice soft cotton, very comfortable for daily wear Machine wash and reusable XS fits waist girth 7&#034; - 10&#034; andsuitable for dog breed such as Teacup Small fits waist girth9&#034; - 12&#034; and suitable for dog breed such asYorkshire Terrier, Chihuahua, Pomeranian Medium fits waist girth 12&#034; - 16&#034; and suitable for dog breed such asMaltese, Miniature Pinscher, Toy Poodle Large fits waist girth 17&#034; - 21&#034; and suitable for dog breed such asJack Russel, Italian Greyhound, Shih Tzu XL fits waist girth20&#034; - 24&#034; and suitable for dog breed such as Corgi, Beagle, French Bulldog