Nepest Lightweight Waterproof Hydration Backpack For Outdoor Activities Nextorch 👉 The world's loudest whistle

👉 The world's loudest whistle

✔ Weight : 74 grams with battery

✅ 89 hours impressive long run time with the included 5000 mAh 21700 li-ion battery:

✅  Ultra compact & lightweight - only 80 grams

Nepest Lightweight Waterproof Hydration Backpack For Outdoor Activities Nextorch 👉 The world's loudest whistleKEY FEATURES: Made of lightweight & durable premium nylon; Breathable and soft padded back panel for ultimate comfortability; Adjustable shoulder and waist straps perfectly adjustable for all sizes; Water compartment for up to 2L water bladder; Front zipper pocket divider for storing various outdoor essentials, Small front pocket perfect for storing phone, keys, & etc; Reflective stripe increase user visibility at night; Safety whistle on buckle of