Accessory Bag Expansion - Water Resistant - M/LAccessory Bag Expansion Water Resistant M L Accessory bag that can be lashed onto side cases Expand the storage offered by TRAX aluminum side cases and have more transport volume Organize luggage better and have purchases, camera accessories, or tools to hand quickly and easily without opening the case For side cases from SW MOTECH and other brands (such as BMW for example) Includes one TRAX expansion bag and one inner bag