This Swiss Ultimate Multi-Compartment Waterproof Travel Backpack is crafted with polyester material and polyester lining for water and tear resistance. It has an external USB charging port (17" only), an extendable hook, side mesh pocket, an air cushion belt, and 4 separate layers inside.

Its airflow design, secure zip closing and multiple compartments, including a laptop interlayer, make it a great choice for 12-17" laptops.

Dimensions (cm):

• 15 inch (39L) : 48*33*23.
• 17 inch (45L) : 51*35*25.