Premium Aluminum Emergency Whistle Travel Key Chain, Set of 3 (blu, red and blck) This pack is an alluring set of pretty and good whistles that you can hang as key chains since they are designed to be relatively lightweight and small, with overall dimensions of 2.5" x 0.5" for each piece. It's a good survival mini tool for boating, camping, hiking personal safety, geocaching and is found to be great alternative for any safety program. These whistles may appear as very reserved tokens used by school teachers or gym instructors to seek attention, but this token bears larger responsibilities than that. It can be used for hanging with your keys or seeking attention for specific purpose. A little extra safety is never a bad thing. Crafted from premium grade aluminum material, painstakingly laser painted and furnished with glossy coating for assured longevity. Tested to repel corrosion, rusting, tarnishing and deformation making this a set of safety whistles that will surely last for years. Produces loud quality sound that you can use to get attention even from a far distance. Guaranteed finest craftsmanship polished with sleekest design and color profile that you can depend on. Order now by adding this set in your shopping cart. Our high quality aluminum whistles have plenty of uses and they're priced to please any budget. Perfect for charity walks, park districts, campus safety events and will surely make a great giveaway item that will help you grab even more impressions for years to come. Make sure you get one or more today.