Have you ever opened your luggage and not been able to find what you need because you couldn't remember what you stuck it in? Have you ever wrapped your belongings in garbage bags to keep them dry inside your luggage? Have you ever needed a bag just the right size to put something in and then find it needs to be a little bigger as you accumulated stuff on your trip? If you've never experienced any of the above, it doesn't matter! Everyone can use 4 - in - 1's. They are a set of 5 nylon pack cloth bags, ranging in size from 5" x 10" to 9" x 18". They have a draw string closure secured with a cord lock. All four larger bags roll up and fit in the smallest for easy storage. Each is a different color for easy identification.