A drying towel that you can use to wipe dry and clean like a sponge. Use it to dry your car, motorcycle, or camper. It absorbs dirt and grime away from the surface of your car. Store it wet in the tube and it will always be ready to use. It is not affected by mildew, bacteria or common chemicals. When you are done, just rinse it off and put it back in the tube. Large 2 sq foot size is packaged in a reusable tube. The 5.5 Sq Ft Size does not have a tube.