The ortlieb bike tourer bags are the ideal companion to have on board when you are planning a serious tour unparalleled design and build has gone into these so the offer all the space and feature that you need wherever you decided to gothe fully waterproof construction of pu coated nylon is very tough and durable with an intuitive one handed opening to gain access to the main compartment and the internal pocket theres also an external pocket to help organise all your things effectively t