There is an invisible zipper pocket on the back that fits on your waist, you can protect your valuables from theft. The strap on the backside makes it fixed on a trunk when you go on a long journey.
EASY CHARGING & WATER-REPELLENT
The USB port allows you to charge your phone at any time and anywhere. It has Water-Repellent fabric with SBS zippers for added durability and a luxurious appearance. In addition to being completely water-resistant, you won't have to worry about your laptop getting wet. For any weather, this is your waterproof backpack!
Enhance your life
The bag is a very lightweight backpack with multi-layer storage and a superb 90-degree opening design that makes him very accessible. It's made of High Density and Water-Repellent Polyester Fabric, and ensure long-lasting usage.