High Quality: The bicycle saddle fenders are made of premium plastic material, offering high strength, lightweight design, and long-lasting durability. Universal Fit: The rear mudguards are compatible with most bikes on the market. They fit any bike with two steel rails under the seat, regardless of seat tube thickness. Easy Installation: These mudguards feature a quick-release design and allow for adjustable rear protection angle, enabling simple and convenient setup. Proper Size: Measuring 33 cm x 10 cm (12.99 in x 3.94 in), these bicycle mudguards are easy to assemble and disassemble. They can be stored under the seat when not in use. Wide Compatibility: Suitable for various bicycle types, including mountain bikes and road bikes. Effectively helps block mud and water during rides. (Note: Mounting screws are not included and must be provided separately.) Size Information: 33 cm x 10 cm / 12.99 in x 3.94 in Package Includes: 2 x Bicycle Rear Mudguard (Color may vary; mixed colors are randomly selected) Note: Slight variations in measurements may occur due to manual measurement and differences in display monitors.