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Survival Whistle for Outdoor Activities Needs: Suitable for emergency situation in sporting events, camping, hiking and boating
Quality and Material:This Ultimate Life-saving whistle,It is made of Stainless steel with louder Sound using in Emergency and in sports referee , double tubes can provide up to 150 decibels, that pitch crisp sound can be heard far distance. It is highly durable
Double Tube design: It is easily blown softly so that just the blast out a loud tone. You can save 30% energy than normal whistle. If you get separated from the group while hiking
Easy:Can be fastened to belt, key chain, key ring, backpack, bags