Promotional Thule Lithos Backpack 16L The Thule Lithos Backpack 16L is a modern and versatile backpack with a secure flap closure and a contemporary design. It closes with a distinctive 9-sided buckle and features a padded 14” laptop compartment as well as a dedicated tablet sleeve on the inside.Smart internal organisation ensures your essentials are always well arranged. The backpack includes an internal mesh zip pocket, as well as an external slip pocket and zip pocket for quick access to smaller items.For optimal comfort, the shoulder straps are adjustable in length. Any excess strap can be neatly rolled away using the integrated roll-up system, creating a clean and minimalist look.