The Rogz JellyBean Collars are for small and toy breeds such as the chihuahua, pomeranian, yorkie, maltese and miniature poodle.The JellyBean Collars measure 20-32cm in length and are 11mm wide
The Rogz Scooter Collars are for medium breeds such as the Jack Russell, Scotty, Pug or Terrier.The Scooter Collars measure 26-40cm in length and are 16mm wide
The Rogz Beach Bum Collars are for medium to large breeds such as the Spaniel, Staffie or Boxer. The Beach Bum Collars measure 34-56cm in length and are 20mm wide
The Rogz Armed Response Collars are for large breeds such as the Rottweiler or Mastiff.The Armed Response Collars measure 43-73cm in length and are 20mm wide.