Alfie Pet by Petoga Couture - Tad Belly Band (for Boy Dogs) Size Large fits waist girth (measures in front of the back legs) 19 - 22 and 4.5" wide Serve as good training aid and/or anti-breeding aid Prevent dogs from marking their territory when out and about For urine absorption, just add a panty liner or tissue Machine wash and reusable XS fits waist girth 10.5&#034; - 14.5&#034; and 5&#034; wide; suitable for dog breed such as Yorkshire Terrier, Chihuahua, Pomeranian Small fits waist girth 14.5&#034; - 16.5&#034; and 5.25&#034; wide; suitable for dog breed such as Maltese, Miniature Pinscher, Toy Poodle Medium fits waist girth 16.5&#034; - 19&#034; and 5.75&#034; wide; suitable for dog breed such as Jack Russel, Italian Greyhound, Shih Tzu Large fits waist girth 19&#034; - 21&#034; and 6.25&#034; wide; suitable for dog breed such as Corgi, Beagle, French Bulldog XL fits waist girth 22&#034; - 25&#034; and 6.25&#034; wide; suitable for dog breed such as Cocker Spaniel, Brittany Spaniel, Border Collie, Whippet, Standard Schnauzer