1. Made of high-quality PVC material, the buckle is reversible and durable. 2. It can protect the lens from stray light, thereby improving contrast and image quality. 3. It can help prevent moisture or wind-blown debris from leaving the lens. 4. It can protect the front lens barrel from the inevitable impact of hitting walls, door frames and other real-life obstacles. 5. Suitable for Canon EF-S 18-135mm f/3.5-5.6 IS USM lens
