Topeak trunk bag rain coverprovides additional protection from the elements so your rx trunkbag and contents stay dry and clean rx trunkbag dxp exp rain cover featuresmaterial 190t nylon weight 51g1 80ozrx trunkbag exmaterial 190t nylon weight34g1 20ozfor rx trunkbag ex only buy topeak rain covers from chain reaction cycles the online bicycle store for every cyclist