BOAT-PACK / rescue at sea

Boat-Pack,a backpack which can be converted into a lifeboat,is designed to save more people in case of danger.Made of PVC sheets,colored in bright yellow,Boat-Pack looks just like a common chic bag in normal condition.Unzipping the back-pack,people can place any daily items.In case of emergency,by opening the snap closure,unfolding the rolled up parts and pressing the four modules on the rim,users can easily activate the reaction of diluted hydrochloric acid and sodium bicarbonate,and get the boat gas-filled.The space for goods is independent.Automatic charging module can be disassembled and replaced,which makes the backpack reusable.