Ortlieb Duffle RG 34 - A very sturdy duffle with detachable shoulder straps.
Waterproof, even at the zip, thanks to its sprayproof TiZip zipper
Main material: super strong tarpaulin
Pockets and attachments are made with a tough laminating system
Wheels with a low rolling resistance
Aluminum bottom plate
Main compartment contains compression straps and a zippered smaller pocket
Five year guarantee against defects in material and production