【Simple Installation】 Made of robust ABS, the lens cap with spring mechanism can securely attach to your lens and protect it from dust, debris, and scratches 【Safe Anti Loss Strap】 Tie the anti loss strap to the eyelet located on the side of the lens cap to prevent dropping and missing 【Soft Cleaning Cloth】 Use the soft and non abrasive cleaning cloth to wipe off dirt and fingerprints from the lens without scratching the surface. Washable and reusable 【Wide Compatibility】 Compatible with camera lenses with a 77mm filter size. The filter size is printed on the front or side of the lens, next to a "ø" (diameter) symbol. Please check it before purchasing 【Package Contents】 2 x Lens Cap, 2 x Anti Loss Strap, 2 x Cleaning Cloth