Urban Hunter (Med) collar - 12.5" -17" long / 1" wide.  100% waterproof, 'no stink'.  Our patent-pending collars are created from a special blend of synthetic polymers that won't absorb moisture, retain dirt, or harbor bacteria. And that's great news since, let's face it, if it's wet, muddy or stinky, your dog will find it. When he does, just rinse the collar under a bit of water and you're ready for the next adventure!