Features: 1. Anti-Theft Lock: Durable dual-access zippers with anti-theft combination lock design allow for easy access and increased security. The anti-theft backpack helps protect your belongings from unauthorized access. 2. Waterproof & Scratch-Resistant: Scratch-resistant material helps prevent cuts and scuffs. Water-repellent and drop-resistant materials help keep your items dry. The sling bag is made of high-density water-resistant and tear-resistant Ox fabric. Durable metal zippers provide smooth operation and long-lasting performance. 3. Multiple Storage Compartments: Large main compartment, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, and side pocket offer organized and secure storage for small items. Ample capacity meets everyday storage needs. 4. USB Charging Port: Equipped with a built-in USB charging port (power bank not included), allowing you to connect your own power bank and charge electronic devices on the go. Enables convenient, hands-free charging during walking, gym, sports, hiking, cycling, travel, outdoor activities, and daily use. 5. Multifunctional Design: Can be used as a messenger bag, shoulder bag, crossbody backpack, casual day pack, sling bag, chest bag, travel bag, or work bag. Suitable for office, school, outdoor activities, business, and daily use. Features a minimalist and simple design. Specification: Material: Ox Cloth + Polyester Color: Black, Gray & Brown, Black & Brown Product Size: 32 x 16 x 6 cm Product Weight: 430 g Package Included: 1 x Anti-Theft Sling Bag