A versatile roll-top waterproof pannier that easily and quickly converts to a backpack.Two-layer design with ballistic outer layer and welded-seam liner that is fully replaceableOuter flap hides backpack strap when being used as a pannier and hides rack hardware when being used a backpackZippered pocket on outer flap and bag has two additional side pocketsReflective piping and stripingPlaces for flashing lights on the pannier and backpack sidesIncludes carry handle and two backpack straps