Expandable Multifunctional Backpack

Expandable Multifunctional Waterproof Travel Men's Computer Backpack

USB Charging Port: Stay powered up on the move with the built-in USB charging port, allowing you to conveniently charge your devices directly from your backpack.
Expandable Capacity: The bag features a circular expansion zipper that can double its capacity, providing flexibility for accommodating more items when needed.
Water-Resistant Protection: The bag's material is designed to be water-resistant, providing protection against splashes and ensuring the safety of the contents inside.
Color:  black 1