Fully waterproof, 20L each. They are a melbourne classic, you can barely go for a ride without seeing a set of Ortliebs.

They will fit almost any rack and come with a 5 year warranty.

BAG TYPE:  Pair
HEIGHT:  42 cm | 16 inch
UPPER WIDTH:  32 cm | 12 inch
LOWER WIDTH:  23 cm | 9 inch
DEPTH:  17 cm | 6 inch
VOLUME:  2x 20 l | 1220.5 cu.inch
ADAPTER:  Quick-Lock 2.1 System

FURTHER FEATURES:
+ 3M Scotchlite reflectors
+ integrated inner pocket