While adventuring touring, keep your belongings safe, secure and dry with the Ortlieb Back Roller Cycledelic Pannier. Roll-top closure and fabric treated to shed wet weather QL2.1 system eases mounting and releasing off of most racks Adjustable, rotating bottom hook reduces abrasion and scratching 3M Scotchlite reflectors on both side for extra visibility SPECS: 20L/1220 cubic inches Dimensions: H/16.5 x W/12.6 x D/6.7in Weight: 2 lbs. 1 oz