Come and see our amazing products! Showcase the power of your company with our Custom Emergency Aluminum Loud Survival Whistle Keychain. Our products is made out of a strong aluminum alloy, the painted surface goes through an oxidation process to prevent it from chipping and rubbing off. It can make big and bright sound, can be heard from a long distance, very useful for various emergency situations, allowing others to and get quick rescue, great tools for camping, hiking, hunting, mountain climbing, boating and other outdoor sports activities, also suitable for referees, coaches, lifeguards, dog training, etc. It also designed as a key ring, which can be hung in a mountaineering bag or other places. It's a great giveaway item for outdoors, adventure tourism, wilderness survival. Price over 50000pcs is via sea shipment. Pls confirm further with us if any query about packing info, inventory status and time schedule.