Starsource Medium/Large Pet Girl Dog Adjustable&Washable Female Pet Dog Diaper Sanitary Pantie Hot Panty Cover Wraps,4 Colors Avaliable Keeps your female dog from staining your floors,vehicle,or furniture in its menstrual period. Size Large: Fit dog's Waist 43-60cm/16.9"-23.6".Size X-Large: Fit dog's Waist 55-70cm/21.7"27.6" . The size would be correctly taken if your pets' waist is precisely measured with a flexible tape. Made of nice soft cotton with adjustable Velcro Closure for Comfort and Adjustability on daily wear These diapers are reusable.For urine absorption, just add a panty liner or tissue. Please kindly check your pet's measurements (Waist and Hip Girth) to make sure the item fits before ordering.