To provide a school bag suitable to protect a child from a traffic accident by allowing a driver of an automobile to easily become aware of and easily visually recognize the child by lighting or blinking of light emission bodies while walking even when the surroundings are dark and a vision field is hard to keep.
A light emission unit 1 is formed by storing the light emission bodies 4, a vibration switch 5, a control circuit portion 6 receiving a signal of the vibration switch 5, and turning on or blinking the light emission bodies 4, and a battery 7 into a case member 3. The case member 3 is formed with a light-transmitting region a through which light is transmitted, and is disposed with the light emission bodies 4 oppositely to the light-transmitting region a, and the light emission unit 1 is appropriately detachably installed by fixing means 18a, 18b.