Versatile mounting system installs on luggage rack, back seat or sissy bar; clips onto most SaddlemenT touring bags. Rigid construction looks great empty or full. Multiple D-rings provide easy mounting options for hard-to-fit motorcycles.Wide top opening for easy packing. Top carry handle and shoulder strap for easy toting off bike. Constructed of UV-, water- and weather-resistant 1200-denier SaddleTuffT and durable, maintenance-free SaddleHydeT panels. Dimensions: unexpanded 10" W x 16" L x 9.5 H", expanded 10" W x 20" L x 9.5" H; measures 1,300 cubic inches unexpanded.