T-BAGS EXPANDABLE TAHOE Expands from 1.25 to 1.76 cubic ft. Full zippered front opening plus a large zippered top opening allow for easy access to all the packed items from top to bottom. Constructed of tough nylon with fade resistant UV treatment. Removable PE board insert and high-density closed-cell foam walls allow the bag to hold its shape when empty. Expandable mounting system adjusts to fit all backrests 7" to 14" W.