Thank you for viewing! 300 yen each. In an emergency, battery-powered security alarms can run out of batteries, but a whistle is reliable. Includes a reflector. It might also be a good idea to keep one by your pillow in case of a disaster while you're sleeping. *We may use recycled materials for packaging. *Please refrain from "likes" if you do not intend to purchase, or "likes" for waiting for a price reduction. ⚠️ Depending on the thickness and weight after packaging, and the timing of shipment, we may change the shipping method from Rakuraku to Yuyu or vice versa. We will not notify you of the change, so please understand this before purchasing. *As this is a personal inspection, please refrain from purchasing if you are concerned about minor details.