The Kool Pak Trunk Handlebar Bag is designed to fits on most bike racks via the 4 velcro straps. In addition, it can also be used as a Handlebar Bag. We designed the Kool Pak to be insulated in case you wanted to put a 6 pack in there! 13 x 5 x 7 inches UPC: 859195003132 View our full line of handlebar bags, rack bags and bike baskets