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Imagine,when you do activities in water outdoor,some unexpected accident could happen,such as cramps,drowning,etc.It is always too late to wait for someone else to rescue you.Therefore,in this case, equipping well and saving yourself in the accident is better than asking help that might not come in time.
The design of this automatic inflatable life-saving device,which includes two half-flap closure with buckle and a shell imitates the car airbags.This design could facilitate self-helping and meet the need of people who disport in water.