The quality of the build of these panniers from abrasion resistant cordua means that you can expect these bags to accompany you on countless miles of touring and commuting the main compartment is protected by the waterproof lid as well as a cord adjusted dust gater theres also an integrated internal pocket to help organise your load whats more is that theres an additional waterproof pocket on the front of the bags to allow you to get to select items in double quick timethe excellent ql2