• Completely waterproof backpack • Carry your Valuables anywhere with confidence knowing they will always be dry and dust free with this innovative travel backpack. • This bag is manufactured from Heavy Duty 500D 3 layer Vinyl/ polyester Material for maximum strength, all seams are carefully heat bonded to ensure water resistance as are the extra reinforcing panels at all strap mounting points and pockets etc. • Other features include: » 30 litre storage capacity » Roll top opening to prevent water entry » Outer quick access pocket » Adjustable shock chords to secure any external Items » Cushioned / vented back support panels for riding comfort » Rubberised carry handle » Night safety reflective stripes.