Crossten 40L Expandable Backpack — 17" Laptop, USB Charging, Waterproof Swiss Multifunctional Travel & School Bag

Crossten’s 40L expandable backpack combines a sleek, casual appearance with a distinctive, modern look. Built for comfortable daily use and travel, it’s crafted to be durable while remaining easy to carry. Key features: large 40L capacity (expandable), fits up to a 17" laptop, integrated USB charging port, waterproof construction, and a Swiss multifunctional design suitable for school and travel.