Mosko Moto has two fulfillment centers -- one in the United States and one in Europe. If you are located outside the US or EU, you can still purchase from either website but the shipping rates may be different. Mosko Moto EU website.
Rear mounted duffles and tail packs are the original motorcycle luggage. Often combined with two side panniers for a traditional three-bag packing system, duffles also work well on their own, or rigged as pannier toppers on top of hard boxes.