Bar Fly Bike Seat Hopper Saddle Bag Convenient carrying system that works with all bikes- accommodates all sizes of tubes, even tubulars, tools, and other ride essentials Secure, Adjustable Two strap design - can be adjusted based on for changing load size, bikes, and rider demands No more chafing straps on your shorts - No strap around seat post More flexible, lighter, and easier to mount than a saddle bag NOTE: The Hopper comes with a Black coffee bag- not the red shown in picture