Made of high-quality material, durable, firm and stable for us to use, no deformation and has a long service life. Protect your delicate lens from dust, dirt, and scratches. The purpose of rear lens cap is to keep dust, dirt, fingerprints, and moisture off your lens after you removed the lens from cameraThis rear len cap is used when storing your lens or after the lens has been removed from your camera lens cap is made of quality high metal . This easy to attach rear lens cap gives sturdy for protection for the rear contacts lenses when not in use. Specifications: