Swimming Bottle / Bottle

In many poverty areas or disaster areas, people seldom have swimming equipment and other related products due to the lack of materials, and they also have no relevant professional knowledge of swimming. This kind of swimming bottle is the product designed to help people in these areas to learn to swim. Separate the wrapper after drinking the internal, inside the wrapping paper painting a simple and basic swimming tutorial comic, the bottle having an elastic rubber band on it. Use a rubber band to attach the empty water bottle to some parts of the body, using as a simple buoyancy device, achieving the goal of learning to swim.