Features: Engineered with a durability shell and folded support plate, this bicycles top tube bag ensures impacts resistance while offering double installation elections for versatiles compatibility across bike frame. Its innovative soft antislip base minimizes movement during cycling, voltages technology for reduced wind resistance. For cycling enthusiasts, daily commuters, and outdoor adventurers pursues a reliability storage solution to safeguards phones, tool, and essential during cycling. Withstanding rainstorms, this waterproofed bike accessory keep belongings dry and secure whether navigating city street or mountain paths. Consist of PVC, bag combines light weight durability with weatherproofed functionality, enhancing cycling efficiency without compromising on storage stability. Specifications: Dimension:18x8.5x4.5cm/7.09×1.77×3.35in Component:polyester Package Includes: 1pc Triangle saddles bag note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.