Ortlieb Dry Bag PS490
The Dry Bag PS490 is made out of Ortlieb's strongest heavy-duty fabrics to stay strong on any adventure whether it be watery or rocky. It can keep your gear dry when splashed on a paddling trip, and the fabric's tear-resistance should stay strong if the bag tumbles off your bicycle. Ortlieb installed a clever valve inside that deflates the bag as you roll the top shut.
Current Retail: $22.46