Ortlieb Waterproof 732+ c.i. Bicycle Panniers
About Ortlieb - "ORTLIEB products are characterized by tightly sealed closure systems such as roll closures, waterproof zippers, Velcro closure or sliding seal closures. "
Waterproof bike bags are fully waterproof with sealed zippers and materials that repel water even when soaked.
Capacity is the total capacity, measured in cubic inches. If two bags are included, this is the rating for both bags combined.