15L Small Hiking Backpack with Soft Flask, Ultralight Hiking Daypack with Chest Pockets for Phone Sternum Straps, Lightweight Foldable Packable Back Pack for Women Men(patent pending)

【Hydration-Ready Combo】This 2-in-1 design doesn’t just give you a great backpack—it also includes a 500ml soft flask (10.6 x 3.9 inches) to keep you hydrated on hikes, trips, adventures, bike rides, or just during your everyday activities.
【Chest Pockets and Sternum Straps Design】This lightweight hiking backpack comes with two chest pockets that can easily fit a 7″ phone. It also features an adjustable and removable sternum strap right next to the chest pockets for a secure, custom fit. Plus, the sternum buckle doubles as an emergency whistle, so you’re always prepared for the unexpected.
【Gear Attachment Points】The bottom of the foldable backpack has loops for trekking poles, and the front is loaded with attachment points for essentials like a compass, bug repellent light, flashlight, or even a small stuffed animal.