Brand: ROCKBROS Product Name: Bike Bag Material: PU Fabric Weight: 139g Color: Black Capacity: 0.7L Quick Installation: Simple installation steps—you can complete the setup in just one minute. Night Visibility: The rear is designed with reflective strips, and you can also install additional taillights. (Note: Taillights are not included.) Waterproof: Fully waterproof construction perfectly protects your belongings, allowing you to ride freely on rainy days. Compartment Design: Features mesh dividers to help you better organize and store your items.