This messenger sling bag made of high quality demin and canvas material, 2 compartments inside with a zip and water proof. The size of this messenger sling bag is around 33x20x1.5cm. The material we used for inner layer of the sing bag is polyesther 210 material is water proven. The messenger sling bag size is good enough for tablets and A4 documents. The sling bag is design for customised sling bag printing technology and you can add your design onto this bag.