Product accessories: 2 High quality plastic center pinch lens cap + 4 Universal Lens Cap Keeper. | Compatible with any lenses with 37mm lens thread size, Please note your camera's lens thread size will be marked somewhere on the lens barrel, such like Olympus 14-42mm II Lens, Olympus M.Zuiko Digital ED 45mm f/1.8 Lens, Panasonic Lumix G Vario 12-32mm f/3.5-5.6 ASPH. Panasonic Lumix G X Vario PZ 14-42mm f/3.5-5.6 ASPH Power O.I.S. Lens,etc. Replaces Olympus 37mm lens cap from other brands. | Easy to use: Simply pinch the center to quickly connect to the front of the camera lens. Replaces Olympus LC-37B front lens cap or 37mm lens cap from other brands. CHECK YOUR LENS DIAMETER BEFORE PURCHASE. Your camera's lens thread size will usually be marked on the lens barrel /UV lens filter barrel or printed underneath your lens cap. Ø37 = 37mm lens thread size. | This cap protects lens front from dust, moisture, direct sunlight and scratches. and also protects from scratches during storage and walking around. Easy to use: Simply pinch the center to quickly attach to the front of your camera lens, as to the lens cap keeper. | The lens cover can protect your lens from scratches, fingerprints, and other factors when not in use. When the lens cover holder prevents the lens cover from being lost.