It is always safer to store your safety vest in the cockpit of the car instead of in the trunk. The Lifehammer Safety vest is a UNIQUE concept as it is ultra-flat and therefore allows for placement under every floormat using the included Velcro and label. This way, all car occupants will have their own safety vest within reach. In case of an emergency ALWAYS put on your safety vest before leaving the car. The vest is “one size fits all”.