77mm Universal Snap-On Lens Cap For Canon EF-S 17-55mm f/2.8 IS USM Lens + Cap Keeper + MicroFiber Cleaning Cloth + LCD Screen Protectors
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!