DescriptionThe Topeak EX Trunk Bag with strap is manufactured with rigid molded panels and flexible 600 denier fabric for rigidity and water repellency. Designed to securely carry your biking essentials day and night. FeaturesInsulated main compartment with molded EVA foam sides, top and bottomStraps onto existing rack without MTX Quick TrackLarge capacity main compartment and 2 mesh side pockets3M reflective trimIncludes shoulder strap and carrying handleElastic top bungeesCompatibilityCompatible with all Aventon rear racks, including Aventure, Level, Pace, Sinch, and Soltera.