AdventureSync Twin Backpack

Men's Backpack for Hiking Leisure and Business Trip. Large capacity, 20-35L, 15.6inch constructed with a durable and waterproof material to protect against spills and wear, features a convenient charging port and the ability to be securely attached to a luggage trolley

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.
Waterproof Oxford Cloth45cm*30cm*15cm
Color:  Blue