While shopping for toiletry bags, you might notice that some are called Dopp kits. Dopp kits are just another term for toiletry bags and are mostly used in the United States since the early 1920’s. If you come across a bag that is labeled a Dopp kit, there is nothing different whatsoever about this product other than it is called something a little different. The name came about in 1926 from leatherworker that created this type of bag, and Dopp was his last name. Another name for these types of bags is ditty bags. So, in summary- toiletry bags, Dopp kits, and ditty bags are all in reference to the exact same things.