Flat Aluminum Dual Frequency Survival Whistle

1. Personality whistle design, the overall style design is novel high frequency and high pitched, easy to blow. 2. The two-hole design can emit 80-120 dB, which can also play its performance in harsh environments in time. 3. Aluminum alloy material, safety, high performance reflects the overall hard outdoor style. 4. Careful incision design, make the air vibration more high-frequency sound more loud, spread to further. 5. With key chain, lightweight, easy to carry and use more convenient.

Quantity	500	1,000	3,000
Price	$0.665	$0.609	$0.533