Your clients will love walking away from you with this survival whistle! It's made of aluminum, measures 2 1/2" L x 1/2" W, comes with a keyring, and comes in several fantastic colors. This is perfect for coaches to use during practice with the team or to have on hand in case of an emergency. Add your company name or logo for maximum visibility and give this out at your next event. What a fantastic way to spread the word about your brand!