Narrower waterproof saddlebags are perfect for travelin’ lighter and faster. ThinCase Dry Bag Saddlebags only stick out 4" on each side, but will hold more than enough for most trips. Each side bag is a modified and reinforced Waterproof Brief Bag (#1968) so it’ll retain its shape and protect your contents. The ‘throw over’ mounting system is secure, fast, and versatile. The roll-over seal and top loading opening is easy to use and absolutely waterproof. A lightweight (but strong) system. 11.8"×15.7"×4" each.