##Brompton Borough Roll Top Bag Medium Designed to fit the handlebars of all Brompton Folding Bikes, this Borough Roll Top Bag Medium has a 14 litre capacity and is versatile and capable, with plenty of room in the storage compartments for commuting and day-to-day items. Your laptop will be well protected in its own separate padded sleeve, and there are handy external mesh pockets to stow a water bottle or anything else small you need quick access to. A detachable shoulder strap makes for easier carrying when you're off the bike, and the hi-vis waterproof cover is ideal for wet days and evening riding.