SET-2pcs Lillypet TM Dog Diaper Reusable Washable Female Girl for Medium & Large Big Dog Breeds Red Black Size Large Dog Diaper to Help with Incontinence, Control Excitable Urination, females in season, Breeding Control or Housebreaking and to eliminate problems from untrained pups Made of nice soft cotton with adjustable Velcro Closure for Comfort and Adjustability on daily wear Place adhesive napkin or liners on inside of garment to adsorb liquids 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. Machine Washable, Tumble Dry and Reusable