Please Note: Bag Is Sold As Single.Fully seam-sealed, sonically welded 850 Denier bag with roll top closure for maximum protection from the elementsThe Topeak Hook and Lock system attaches securely to racks and makes fitting and removal a snapAdjustable fixing system fits rack rails of 8/10/12mmOne main compartmentPress and pull quick releaseSlideable hooks for exact positioning840 Denier Nylon reinforced3M reflective stripCapacity: 25 litre/1525ci28x30x65cm1000g eachSold individually.