LED whistle key ring. Your company's next marketing campaign will be a "toot" when featuring this awesome product. makes a great giveaway, displaying your logo or message. This safety whistle blows loudly and the red LED key light shines bright! This product makes a fun addition to company trade shows and fairs. Add it to a goody bag and hand out during any promotional event. What a great way to promote your business. Order yours today. 2.5" L x 0.75" W