This water-repellent and functional roll-top backpack from Sandqvist's Stream series is made of recycled polyester with a waterproof TPU coating and can hold up to 18 L. It has a 13" laptop case and is designed with YKK® AquaGuard flash lock. The polyester weave is made of reflective material which makes you visible in the dark. A bag where functionality and durability are the guiding stars, keeping your belongings safe and dry.