Safety Whistle - The All Weather Whistle - Loudest Storm Survival Whistle Alert - Black. The Storm All-Weather Safety Whistle is the loudest whistle on the market. Its patented design allows the Storm whistle to be heard up to fifty feet underwater, due to its unique sounding chamber forcing out all water when the whistle is blown. Made in the USA. It's perfect for divers, lifeguards, and for recreation! Creates a clear, high frequency sound, with a power rating over 75% greater than other referee and safety whistles. A Whistle defense program is a tremendous way to safely empower students against crime. The Storm Whistle is easy to hold, easy to see and incredibly loud.

Easy to Hold - Incredibly Loud. A Great Self-Defense Program for Students or Anyone. Unique Sounding Chamber Forces Out All Water When The Whistle Is Blown. Patented Design Allows Whistle To Be Heard Up To 50 Feet Underwater. The Storm All-Weather Safety Whistle - The Loudest Whistle On The Market.

Date First Available: June 30, 2006. Best Sellers Rank: #78,979 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 306 ratings 4.6 out of 5 stars. : B00LBAFA1M. Size: ?One Size. Part Number: ?STRM-BLK-BLSR-XXX01. Manufacturer: ?All-Weather Safety Whistle Co. Suggested Users: ?Mens. Color: ?Black. Brand Name: ?Markwort. Item Dimensions LxWxH: ?1 x 6 x 9 inches. Package Weight: ?0.02 Kilograms. Item Package Dimensions L x W x H: ?5.67 x 3.82 x 0.91 inches.