Motorcycle Rear Box Top Case Pannier Case Black, Unknown Manufacturer Two keys Base (mounting base) included Exterior Dimensions (approximate) Width: Approximately 45cm Length: Approximately 41cm Height: Approximately 31cm Interior Dimensions (bottom section) Width: Approximately 41cm Depth: Approximately 35cm Height: Approximately 25cm Plus the lid height of approximately 5cm I believe it's the common 45L size, but please confirm with the actual measurements. There are some scratches and dirt from use, but it's still usable. I'm selling it because I'm upgrading to a larger size.