Every one will rush to get one of these custom combination whistle, light, and key rings. It has the convenience of a LED light for lighting up key access areas in dark situations, a safety whistle for hailing assistance in an emergency, and a key ring to easily attach it to keys or to a purse, backpack, or other bag. Just press the button to activate the light. A great idea for college students and car owners, grammar school children and grandmothers.it is easy to find a color to match your business logo.