Features： 1、Anti-tear 840D nylon fabric with waterproof TPU coating, all seams are sealed for durability. 2、Roll-up closure with quick release buckles keep your items dry. 3、Zippered front pocket and mesh side pocket for small items. 4、Reflective elements for added visibility and safety in low light. 5、Removable adjustable shoulder strap for comfortable carrying. 6、Movable hooks and 360 Degree rotatable bracket help adjust and fix the bag at the appropriate position on the rear rack of the bike. 7、Bottom pads provide better conservation for the bag. 8、Up to 30L large space designed for long distance touring. Specification： This waterproof bike trunk bag can keep your Cycle essentials dry in rainy days. It features a roll-closure main compartment, zippered front pocket and mesh side pocket to provide ample storage for your items. It is for Cycle and traveling. Features: Anti-tear 840D nylon fabric with waterproof TPU coating, all seams are sealed for durability. Roll-up closure with quick release buckles keep your items dry. Zippered front pocket and mesh side pocket for small items. Reflective elements for added visibility and safety in low light. Removable adjustable shoulder strap for comfortable carrying. Movable hooks and 360 Degree rotatable bracket help adjust and fix the bag at the appropriate position on the rear rack of the bike. Bottom pads provide better conservation for the bag. Up to 30L large space designed for long distance touring.   Specifications: Material: 840D nylon + TPU Color: Black / Khaki (optional) Dimension: 34 * 19 * 46cm / 13.4 * 7.5 * 18.1in Weight: Approx. 1000g / 2.2lb   Package List: 1 * Bike Trunk Bag Package List： 1 * Bike Trunk Bag