Made of durable polyester fabric and long known as an ideal pannier for extended tours in any kind of weather, the spacious Bike Packer Classic is now available with the QL2.1 rack mounting system. The advantage of this faithful companion at your rear wheel: greater transport comfort, stability and safety.Key Features:Shoulder strap with snap hook,Base feet,Dust/snow gasket under the lid with cord,Inner pocket,3M Scotchlite reflectors.Specification:Bag type: pair,Height:  42 cm | 16 inch,Lower width: 23 cm | 9 inch,Upper width: 32 cm | 12 inch  ,Volume: 2x 20 l | 1220.5 cu.inch  ,Weight: 2x 1040 g | 36.7 oz  ,Depth: 17 cm | 6 inch  ,Material: PD620, PS490  ,Adapter: Quick-Lock2.1  .