T-Bags Motorcycle Touring Luggage Expandable Roll Bag Converts from a 1-cu.-ft. day bag to a 2-cu.-ft. highcapacity touring bag Expandable mounting system adjusts to fit all backrests 7in. to 14in. Built-in bungee-bottom external rain cover for all-weather protection Organizer pocket for phone, pens, keys and maps Constructed from 1680-denier ballistic nylon with fade-resistant UV treatment