The Banjo Brothers have two levels of seat bags, basic and deluxe. The basic series features sized from mini to large. The focus of this series high function and great value. The deluxe series features upgraded fabric and interior organization sized mini-through medium. Also in the seat bag category you will find our waterproof saddle trunks in sizes medium and large and speciality items like the Banjo Brothers Barrel Bag which can be used as a seat bag and a handlebar bag.