Jinshengsi New Student Schoolbag Creative Fashion USB Charging Backpack Computer Bag Medium 20L Polyester Breathable Waterproof Wear-Resistant Anti-Theft Anti-Vibration Casual Dark Gray Light Blue Gray 15.6 Inch
Jinshengsi USB Charging Backpack for School and Work 15.6 Inch Medium

This Jinshengsi school backpack combines practicality with modern features for students and professionals. With a medium 20L capacity, it fits a 15.6-inch laptop and daily essentials, while the integrated USB charging port keeps your devices powered throughout the day. The durable polyester shell offers water resistance, breathability, and anti-vibration protection, making it a reliable choice for everyday commuting or campus life.
Features and Construction

Built with thoughtful organisation and robust materials, this backpack is designed for convenience and safety.
Material and Build
The bag is crafted from polyester, known for its lightweight, breathable, and water-resistant properties. The material resists wear and tear, while the anti-vibration padding protects internal electronics. A zipper closure keeps contents secure, and the colour-contrast design adds a modern touch.
Size and Practical Fit
Medium-sized with a 20-litre volume, this backpack accommodates laptops up to 15.6 inches. Inside, you'll find a dedicated computer pocket, plus a mobile phone pocket, ID pocket, and zippered compartments for quick access to smaller items. It is available in dark gray, light blue, and gray colourways.
Uses and Placement

Versatile enough for school, work, or casual outings, this bag adapts to various routines.
Event or Professional Use
Perfect as a daily work or school bag, it fits documents, a tablet, and a laptop without being bulky. The cushion strap carrying system reduces shoulder strain during longer commutes.
Everyday Home Use
Use it for gym gear, weekend trips, or as a carry-on for travel. The waterproof exterior protects contents in light rain, and the multiple pockets keep essentials organised.
Benefits and Buying Value

This backpack delivers practical benefits without unnecessary extras, making it a solid investment for regular use.
Reuse and Low Maintenance
Polyester material is easy to maintain – just wipe clean with a damp cloth. The robust build stands up to daily handling, and the USB port adds lasting utility.
Why Choose This Product
With its combination of built-in charging, laptop protection, and water resistance, this backpack covers core needs at a accessible price point. The colour options let you personalise style without sacrificing function.
