Prepare for the occasion! [Features] A hood that prevents smoke from inhaling in the event of a fire. In the hood, you can open your eyes and absorb the air while you can evacuate it. The air inside the hood is designed to last about 5 minutes after walking and running for 3 minutes (*There may be individual differences). Compact type that is not too bulky. Simple design that is easy to use by anyone. How to Use: (1) Open the hood with the opening. (2) Shake up and down left and right to fill air in. (3) Rapidly slips over your head while maintaining air. (4) Pinch the tip and pull down and push it on the chest.