Topeak mondopack hydro topeak mondopack hydro is an over sized saddlebag for extra large adventures easily mounts using topeaks quickclick mounting system two side opening panels provide easy access to all your gear and feature inner mesh pockets to keep items like keys and small tools in place while riding an external water bottle pocket lets you carry more water on extended trips or serves as an excellent place to keep your lightweight jacket as the weather changes size l x w x h 32 x 13