Revelate Designs Mag-Tank Bolt On. Features: Instead of a zippered opening, access to the bag is by a smartly contoured top flap held in place by a magnetic buckle with mechanical engagement Integrated TPU liner for easy cleaning kept in place by velcro so can be easily removed if needed Single handed access with effortless magnetic closure Velcro secured padded bag bottom conceals mounting bolts Side panels stiffened with HDPE plastic sheets Interior lined with yellow fabric for greater visibility Adjustable height daisy chain front attachment with a spacer block to clear stem clamp bolts Third party online sales strictly prohibited by manufacturer Specs: Model:Mag-Tank Mount:bolt-on Capacity:65 cu in (1.0L) Dimensions:21.6x12.7x6.4cm Weight:128g Color:black