Alfie Pet by Petoga Couture - Gaki Belly Band (for Boy Dogs) This is a 3-piece set. Size Small fits waist girth (measures in front of the back legs) 13" - 16" and 4 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 Suitable for dog breed such as Maltese, Miniature Pinscher, Toy Poodle however sizing for each dog is unique, we highly recommend you measure your pet precisely XS fits waist girth 11&#034; - 14&#034; and 3.75&#034; wide; suitable for dog breed such as Yorkshire Terrier, Chihuahua, Pomeranian Small fits waist girth13&#034; - 16&#034; and 4&#034; wide; suitable for dog breed such as Maltese, Miniature Pinscher, Toy Poodle Medium fits waist girth 16&#034; - 19&#034; and 4.25&#034; wide; suitable for dog breed such as Jack Russel, Italian Greyhound, Shih Tzu Large fits waist girth 19&#034; - 22&#034; and 4.5&#034; wide; suitable for dog breed such as Corgi, Beagle, French Bulldog XL fits waist girth22&#034; - 25&#034; and 5&#034; wide; suitable for dog breed such as Cocker Spaniel, Brittany Spaniel, Border Collie, Whippet, Standard Schnauzer