35L Lightweight Packable Travel Hiking Backpack Daypack,Water Resistant Camping Daypack

·The fabric is high-density, water-resistant, wear-resistant and tear-resistant polyester fiber. ·The main compartment contains a hydration pack fixing system to allow for convenient use of a hydration bladder(not ·included in the backpack), great for outdoor water replenishment. ·The front compartment zipper system is designed to prevent the theft of documents and important items while on the go. ·Reflective strips on the front of the pack and on the shoulder straps increase nighttime visibility, making walking at night safer. ·Detachable waist belt and chest strap can meet the needs of different usage scenarios. ·Adjustable chest strap comes with an emergency whistle for convenience and safety while on the trip.