GIVI rear box. Comes with two keys. I purchased this used, about a year old, and while cleaning it, I accidentally left a cleaner-soaked cloth on part of the lid for 30 minutes, causing it to turn white and the mark won't come off. I used it once for a day trip, but it doesn't suit my bike, so I'm selling it. It has an aftermarket inner lining, so your belongings won't scratch the metal inside, giving you peace of mind. The dimensions are (according to the catalog): Depth 454 x Width 409 x Height 323 (mm). It's a 42-liter size, convenient for everyday use, commuting, and going to school. There are other minor scratches that are not very noticeable, but please check the photos and understand that this is a used item before purchasing.