The multi-purpose life jacket is made from light, water-proof materials and can sustain strong waves.What's more special is that the life-jacket even has a compartment for storing food and water, which fishermen can survive with for 7 to 8 days floating at sea. Furthermore, the life-jacket also has a balloon that can protect people in distress from waves and help them rest on the water's surface. This life-jacket costs about 88 USD.