Memory function The top of the backpack is tightened with a drawstring, which is very practical.
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Water bag hook. There is a water bag in the backpack. You can remove the hose and refill water when walking. (Does not contain water bags and water pipes).
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Emergency reserves reflective strips. The night reflective backpack is illuminated by the lights, and the reflection distance can be up to 300 meters, which can offer others sufficient response time so that it serves as a safety warning.
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Emergency whistle. The emergency whistle is located in the chest buckle and can be used in case of danger.
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