RAPID TRANSIT STACK LT MAGNETIC TANK BAG - BLACK Wind/Water resistant 1000D nylon construction 2-in-1 modular bag system Scratchguard rubberized contact fabric magnetic mounting system Hydration Ready Audio Ready System Eyewear storage Cell phone storage Map windows Backpack convertible rain cover 40cm x 28cm x 26cm storage (29 Liters) 15.8" x 11" x 10.2" storage (1773 cubic in.)