77mm Universal Snap-On Lens Cap for Canon EF 70-200mm f/2.8L is USM Telephoto Zoom Lens + Cap Keeper + Microfiber Cleaning Cloth
Lenses are valuable items and even a small scratch can mar them forever. Always protect your camera's lens with a lens cap! Keep a spare cap in your gear bag for the inevitable lost lens cap, too! Pinch the sides of the cap and snap it into place - it fits securely and your lenses are covered!