Bennort Anti-Theft Hard Shell Crossbody Sling Backpack Bag for Men & Women, Waterproof Casual Sling Chest Bag with USB Charging Port for Travel, Biking, Hiking, Gym Daily Use Bennort Anti-Theft Hard Shell Crossbody Sling Backpack Bag for Men & Women, Wat

- Storage Design: Main bag features multi-layer partition to store keys, mobile phones, thermos cup and small notebook, with two interior compartments combining functionality and style - Hard Shell Protection: Anti-squeeze hard shell construction protects electronics and valuable items inside the bag during daily use - Waterproof Construction: Water-resistant material and zippers help keep your belongings dry, with breathable mesh back panel for comfort - USB Charging Feature: Built-in USB charging port allows for convenient device charging when connected to a power bank - Adjustable Design: One-key buckle system allows for easy shoulder switching and quick strap adjustment for comfortable wear - Safety Features: Includes hidden back pocket for valuables and reflective warning stripe on front for enhanced visibility at night - Versatile Usage: Suitable for various activities including travel, biking, hiking, gym sessions and everyday commuting