Inlcudes 2 High quality 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 58mm lens thread size, Please note your camera's lens thread size will be marked somewhere on the lens barrel, such like Canon EF-S 18-55mm f/3.5-5.6 IS II lens,Canon EF-S 18-55mm f/4-5.6 IS STM lens,Canon RF 24-50mm f/4.5-6.3 IS STM lens,Nikon AF-P DX NIKKOR 70-300mm f/4.5-6.3G ED lens,Fujifilm XF 18-55mm f/2.8-4 R LM OIS lens,Panasonic Lumix G Vario 12-60mm f/3.5-5.6 ASPH. POWER O.I.S. lens Replaces Canon E-58 II front lens cap or other 58mm front lens cap