SSE 67mm Tulip Flower Lens Hood for Canon EF-S 18-135mm f/3.5-5.6 is, Canon 17-85mm f/4-5.6 is USM, 24-85mm f/3-4.5 USM, 70-200mm f/4L USM

Designed to prevent stray light from entering the lens in order to keep unwanted glare from affecting your photographs. It also protects the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles.