The Roll Top Backpack Light 20L from Wili Wili Tree was specially designed for your outdoor adventures on or near the water. Whether you're surfing, spending a day at the beach or stand up paddling. The backpack is made from 100% recycled PET bottles and is waterproof, durable and robust. You can access the main compartment via the roll-top closure. The Duraflex buckles and fasteners are robust and durable. There is a zip pocket on the outside where you can store small items that you need to access quickly. In the main compartment, your laptop will find a safe place in the dedicated laptop compartment. In short, the Roll Top Backpack Light is the ideal companion for a day on or near the water!