The zefal doomap map case a great case from zefal designed to keep your map safe from adverse conditions the doomap map case is waterproof and washable ando comes with a built in rigid structure to keep the map opened zefal doomap map case features folding format of the map mtb 245 x 245mm road 120 x 245mm mounting 3 velcro straps 1 on stem and 2 on handlebar material sealed pvc