I need extra storage for 2 month trip and looking for something secure like the Thules if you have one that you don't want any more. Prefered with the easybase aswell or of similar brand and storage size. Thanks in advance http://www.thule.com/en/ie/products/carriers-and-racks/boxes-and-baskets/rear-mounted-cargo/thule-backup-900-_-900000