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. Installation is possible as long as there are two steel rails under your 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 The bicycle mudguards measure 33 cm x 10 cm (12.99 in x 3.94 in), making them easy to assemble, disassemble, and store under the seat when not in use. Wide Compatibility These fixed-gear bike mudguards effectively shield against mud and rain, suitable for various bicycles including mountain bikes and road bikes. (Note: Mounting screws are not included and must be provided separately.) Size Chart: 33 cm x 10 cm / 12.99 in x 3.94 in Package Includes: 2 x Bicycle Rear Mudguards (Color may vary; mixed colors are randomly selected) Note: Slight measurement variations may occur due to manual measurement and display differences.