This tail bag is made of high-quality oxford fabric, PU leather, and ABS shell to provide excellent protection for your items. It Features extendable capacity to meet different needs, which can even hold a helmet. With quick-release buckles, the bag is easy to install or remove. It can also be used as a backpack or handbag. Features: Made of oxford fabric and PU leather, water resistant and wear resistant. Impact-resistant ABS hard shell for enhanced durability. Expandable capacity (18L-24L) is large enough for a motorcycle helmet. Two zipped internal pockets keep small accessories organized and secure. Easy to install with the quick-release buckles. Can also be used as a backpack or handbag after removed from the motorcycle. Comes with a rain cover to keep your valuables dry. Specifications: Material: ABS, PU, oxford fabric Size: 28 * 33 * 26cm / 11.0 * 13.0 * 10.2in Capacity: Approx. 18 - 24L Weight: Approx. 1035g / 2.3lb Package List: 1 * Motorcycle Tail Bag