The ortlieb travel zip bag is a versatile duffel bag for sports weekend and business use the cordura fabric construction is really durable and abrasion resistant so is great for heavy duty usage whats more the fabric repels dirt and is really easy to clean you can carry the zip bag with the adjustable shoulder strap or handles or make a simple adjustment and use it as a backpack the main bag is 100 per cent waterproof but also includes two meshed side zip pockets for tickets passport or