FeaturesSpecificationThis bike trunk bag is made from waterproof PVC material with welded seams, and roll-top closure to keep your items dry in rainy days. With movable hooks and 360 Degree rotating bracket, the bag is very easy to install on the rear rack of a bicycle. It is a great choice for long-distance riding.Features:Waterproof PVC material with welded seams for enhanced durability.Roll-top design with quick-release buckles help keep all your gears dry in rainy days.Internal zipper pocket for item classification and organization.Movable hooks and 360 Degree rotatable bracket help adjust and fix the bag at the appropriate position on the rear rack of bicycles.Reflective accents for added visibility and safety at night.Large capacity for long distance riding.Specifications:Material: 500D PVCColor: Black / Grey / Yellow (optional)Capacity: 15L / 25L (optional)15L:Flat Size: 46 * 60cm / 18.1 * 23.6inUsage Size: 30 * 31cm / 11.8 * 12.2inWeight: Approx. 850g / 1.9lb25L:Flat Size: 46 * 75cm / 18.1 * 29.5inUsage Size: 40 * 60cm / 15.7 * 23.6inWeight: Approx. 950g / 2.1lbPackage List:1 * Bicycle BagPackage List1 * Bicycle Bag