Osprey???s High Visibility Rain Cover protects your gear from rain, snow, and sleet. Reflective graphics and a blinker light attachment point to provide extra visibility in low-light situations make this cover ideal for urban bike commuters. Extra small fits 10-20 liter packs. . . Main and Bottom: 70D Nylon Ripstop. Accent: 210D Nylon Ripstop. Full wrap-around cinch attachment. Reflective graphics. Blinker light attachment. Packs into its own carrying case. Extra small fits 10-20 liter packs. . Capacity: 1220 cu. in. / 20 L. Weighs 0.18 lbs.. Spot clean. Imported.