These Lens Caps are center-squeeze snap-on type lens caps for lenses in different diameters. This series lens caps protects the lens from scratches, moisture, dust and fingerprints when the lens is not in use. Made of ABS, the lens cap is lightweight and durable. A hole is designed on the cap to get through a string, which is effective to prevent loss of lens cap. Besides, this cap is designed to use with filters and lens hood simultaneously. Product Highlights:2-Pack, Contain 2 lens cap & 2 lens cap keeper Compatible with lenses in different diameters Protects lens from scratches, moisture, dust and fingerprints Made of ABS, lightweight and durable Designed with a string hole to loop through a string Used with filters and lens hood simultaneouslyThe 58mm lens cap fits any lenses with 58mm filter thread, below are a list of some of the compatible lenses: DSLR Lens: Canon EF 100mm f/2.0 USM Lens Canon EF 50mm f/1.4 USM Lens Canon EF 85mm f/1.8 USM Lens Canon EF-S 18-55mm f/3.5-5.6 IS STM Lens Canon EF-S 55-250mm f/4-5.6 IS STM Lens Nikon AF-P DX NIKKOR 70-300mm f/4.5-6.3G ED VR Lens Nikon AF-S NIKKOR 50mm f/1.4G Lens Nikon AF-S NIKKOR 50mm f/1.8G Lens ...... Mirrorless Lens: Fujifilm XC 16-50mm f/3.5-5.6 OIS II Lens Fujifilm XC 16-50mm f/3.5-5.6 OIS Lens Fujifilm XF 14mm f/2.8 R Lens Fujifilm XF 18-55mm f/2.8-4 R LM OIS Lens Olympus M.ZUIKO Digital ED 14-150mm f/4.0-5.6 II Lens Olympus M.Zuiko Digital ED 40-150mm f/4-5.6 Lens Olympus M.Zuiko Digital ED 75mm f/1.8 Lens