Invisible Towel / Towel

This product places the compressed towel in the rubber capsule of the mineral water cap. While needing to use, you could remove the cap, extrude the rubber capsule inside the cap, and supplant compressed towel out. And then you could pour water on the compressed towel and make it expand. The combination of mineral water bottles and compressed towel could apply for various fields. In the event of a fire, people use
the wet compressed towel to cover your mouth and nose, escape safely. After exercise, you could use wet compressed towel to wipe sweat and help lower the temperature, and prevent heatstroke.