JJC 2Pack 49mm Front Lens Cap Cover with Cap Keeper for Canon EF 50mm f18Not for EF 50mm f14 or f12L Lens EFM 1545mm f3563 Sony E 55210mm f4563 E 50mm f18 More 49mm Thread Lenses

Inlcudes 2 premium plastic center pinch lens cap 2 universal elastic lens cap keeper The lens cap protects your lens from scratches fingerprints and the elements when the lens is not in use While the lens cap keeper prevents loss of your lens cap Easy to use Simply pinch the center to quickly attach to the front of your camera lens as to the lens cap keeper attached with the 3M adhesive pad or loop through the cap attachment hole Compatible with any lenses with 49mm lens thread size Please note your cameras lens thread size will be marked in the front of your lens or on the side of your lens with symbol such as 49 is means the lens cap size is 49mm Replaces Canon E49 II lens cap or 49mm lens cap from other brand