Features: MULTI-POCKET: This bag fits most 17.3 inch laptops and layered with multiple functional pockets to keep your things in order. USB DESIGN: the external USB charging port allows you to charge and play your phone while walking. Easy to access and convenient to use. SAFETY and COMFORT: You can store valuable items with hidden anti-theft protection. It is equipped with an S- shape strap that helps reduce pressure from the shoulder that allows comfortable wearing. VERSATILE: Portable and casual, ideal for use in the office, school, travel, or other daily occasions. Specifications: Material: Waterproof nylon fabric Length: 29 cm Width: 14 cm Height: 49 cm Colors: Grey, Black, Blue, Purple Product Package Includes: 1 x Backpack