aluminum alloy; Whistle--made of aluminum alloy with surface, the whistle is solid and durable, emergency whistle; Note: the color of product will be delivered randomly, safety whistle, whistle for camping; Survival equipment--daily exercise, suitable for pet training, football, basketball, soccer, hockey or any other exercises, aluminum whistle; Survival supplies--lightweight but loud enough, the sound can be heard from far distance, survival whistle; --emergency survival, suitable for outdoor sports, like hiking, camping, climbing, etc, it can be used to call for help if there is an accident, aluminum whistle
What's in the box
6 x Whistles
