Description: 【Versatile Hydration and Phone Storage】This lightweight sports backpack features a compartment for water bottle up to 500ml and a phone storage pocket that accommodates devices 7 inches, ensuring stay hydrated and connected during your outdoor activities 【Wth Reflective Strips】Designed with reflective strips on both the front and back, this backpack enhances visibility during night runs or cycling, providing an extra layer of security in low light conditions 【Secure Double Buckle Design】 The double buckle system ensures the backpack stays securely in place, offering stability and comfort whether you're running, hiking, or cycling 【Spacious Back Compartment】Equipped with a large back pocket, this vest bag provides ample space for carrying additional essentials like snacks, maps, or small gear items needed for your adventure 【Material】Made from water resistant nylon material, this backpack is designed to withstand light rain and splashes, keeping your belongings dry while you focus on your outdoor pursuits Package Includes: 1 Hiking Vest Pack 1 500ml Water Bottle Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.