The mini o bag from brompton is a streamlined waterproof bag designed specially for brompton by ortlieb the small 7 litre capacity uses a sleek shape to make it great for low fuss commutes or short day trips where you need to keep the essentials dry the internal zip pocket allows you to keep valuables separate but still accessible and the removable strap makes it easy for carrying whilst off the bike available in black lime berry crush or reflective black