Special Note: Sizing is based upon the Dogs Actual Neck size, NOT the size of their collar or the weight of the Dog. ** Note: COLLAR is NOT included ** Ultra Puppy Bumpers - are made tough for extra active dogs. Heavy duty, washable, cotton twill can withstand a lot of hard play! The neck loops are made of strong belting so the Ultra stays securely on your pup yet is as easy to use as the regular Puppy Bumper. Puppy Bumpers is the perfect solution for anyone with a puppy or small dog that has a tendency of escaping. Sure, if you have a Great Dane, chances are he will not be able to fit through the slots of a wrought iron fence, but what about someone with a Maltese or puppy? So What Exactly is a Puppy Bumper? It is a stuffed collar (filled with polyester fiberfill so they are light but firm) that resembles a relaxing travel pillow (for humans) used to prevent puppies and small dogs from squeezing through fences, balconies, and gates. Small dogs and puppies can be safe and stylish because Puppy Bumpers come in a variety of colors and fabrics. There is even a gold "bling" Puppy Bumper for the dog that likes to stand out in a crowd. Puppy Bumpers attach to the dog's collar with soft loops Cotton covered stuffed collar is comfortable and non-toxic Feels similar to a regular collar dogs dont mind it Made in the USA Keep your puppy or small dog from squeezing through fences, deck rails and balconies.