The Topeak Drybag is crafted to accommodate 3-4 inch phones, providing excellent protection with its waterproof material that is sonically welded and seam-sealed to resist weather, mud, and water. It’s an ideal solution for keeping your smartphone accessible for communication or GPS use during extended rides. The pack includes a foam body for added protection and a clear touch window for easy viewing of your phone’s display. The integrated QuickClick mounting system allows for quick and easy mounting or removal of the drybag. SKU: TT9830W.