The Bob Marlin Backpack is packed with features. The bag is made of matte black PVC Tarpaulin and has an IPX6 waterproof rating, so the bag is fully protected against powerful water jets! It comes with 2 bottle holders, a front pocket and a laptop compartment inside the bag. The back is fully padded, and the reinforced straps enables you to comfortably carry heavy weight if needed. The Bob Marlin backpack is the ideal backpack for all your adventures and for your day-to-day use!