Dealglad Cosy Pet Dog Puppy Cotton Sanitary Physiological Menstrual Panties Underwear Diaper Pant Washable Eliminates problems from untrained pups, females in season, incontinent dogs and excitable urination Keep healthy and clean in your dog's menstrual period. Breathable mesh fabric inside ,elastic seams and velcro for size adjustable. These diapers are washable and reusable. They DO NOT INCLUDE the ABSORBENT pads Size L (Extension): Waist 45-60cm/17.7"-23.6". Pls double check the size detail before the purchase