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we have possibility of possibility of situation that we would isolate from ship due to 5~7m/s when we have a accident in sea in spite of surviving one's life. besides, It is important to be rescued in sea rapidly to save people's lifes in sea . Phosphorescent pigment that saves light into product is illuminating material when the product consist of this material is exposed to sunlight and retro-reflection is fabric which reflects light as soon as getting lights. So, using these material and fabric, to rescue people smoothly in midnight, I designed air vest equipped balloon which enables to locate endangered people in sea.
Seoul, South Korea
Eun Hyu Lee,