I just upgraded to a J.Paks XL SnakPak and am selling my Revelate Designs Gas Tank bag. Asking $40 and hoping for a local buyer I can meet up with but will ship. It's in awesome condition.
This --> https://www.revelatedesigns.com/index.cfm/store.catalog/Cockpit/GasTank
This --> https://www.revelatedesigns.com/index.cfm/store.catalog/Cockpit/GasTank