Size: W300 x (D)280 x H480mm, Capacity: Approximately 20L, Weight: 900g, Color: Black, Material: Tarpaulin Product Features: Approximately 20L large capacity design, waterproof specification using tarpaulin material, air valve to release air inside the bag, roll-top opening with a wide opening, detachable shoulder belt, D-rings for fixing x 6, mesh material on the back, small item pocket with water-stop zipper Static Load Capacity: 10kg Concept Summary: A weatherproof waterproof bag developed for camping and touring on a motorcycle. It can be used as both a backpack and a seat bag. This is a Doppelganger motorcycle bag with a variety of functions to support a comfortable motorcycle trip. Please check the manufacturer's website for product details and the latest information. I purchased and used it once, but it was too big, so I haven't used it since and have been storing it in a chest of drawers.