Yakima's Carbonite material is 80% recycled and extra-lightweight, so you can carry more gear without weighing your car down, and it has internal lid stiffeners and an aerodynamic design for increased efficiency and less noise. Product Features: Opens Both Sides. Fits Yakima round, square, factory, and aerodynamic bars Designed with internal lid stiffeners for durability and easy open and close SuperLatch™ security ensures your lid is secure to its base, and your gear is safe Dual-sided opening for easy access on either side of your vehicle Additional information for residents of Quebec only: The regular annual rate for persons applying for the Triangle Mastercard and the Triangle World Elite Mastercard is 22.99% for cash transactions and related fees and 19.99% for all other charges. All remaining Triangle Rewards Account numbers will be cancelled and the persons who are not designated as the accountholder will no longer be Members in the Program.