Made of lightweight and durable Cordura material (Cordura is a registered trademark of Invista). The surface is made of durable and stain-resistant tarpaulin fabric. The back is padded along the body for support and breathability. It has a laptop compartment. Side pockets for plastic bottles. Large side zip for easy access. Storage space for small items (one zip on the front and one side on the side). Reflective tape on the bottom of the backpack. ENSURES VISIBILITY STOR. M (Storm): Water-repellent fabric repels rain and snow, keeping you dry and comfortable even in bad weather, 11.0 x 17.5 x 27 L