Alfie Pet Apparel - Zoe Diaper Dog Sanitary Pantie (for Girl Dogs) Size Medium fits waist girth (measures in front of the back legs) 10"- 13 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