Ortlieb Saddle Bag SMALL SLATE-BLACK #F9401 Snap lock for attaching the bag to the saddle Velcro for additonal fastening of the bag to seatpost/pillar, prevents moving of the bag Roll closure with buckle and D-rings Fastening straps, usable as an alternative possibility to fix the bag to the saddle; available as ac The highly effective Scotchlite reflector provides safety in the dark