According to the 2011-2012 American Pet Products Association National Pet Owners Survey, 46.3 million U.S. households have dogs, and 38.9 million have cats. So it's no surprise that more families travel with their pets. And there are plenty of products to make the trip safer and more enjoyable. The Miami Herald offers a few ideas, including the Bikn (pronounced beacon) iPhone case and tags, shown here, to keep track of your furry pal (or anything else you're prone to losing, like your keys.)