1. Diameter: 67mm, made of high-quality PVC material, 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 70-300mm f/4-5.6 IS II USM lens
