Crossten 40l Expandable Backpacks with USB Charging — Waterproof 17 inch Laptop Bag for Business & Travel, Multifunctional

Crossten’s 40l expandable backpack blends a casual, stylish aesthetic with a distinctive design and rugged build. The waterproof shell protects contents while the expandable 40l capacity provides generous storage. An integrated USB charging port keeps devices powered on the move, and the interior fits up to a 17 inch laptop. Designed as a multifunctional business travel bag, it is both comfortable to carry and built for long-lasting durability.