Specifications: SKU: GO250B, Weight: 20 gm, Dimension: 29 x 32 x 7 mm, Color: Black, Lens Glass Lens Case Replacement Repair Part for GoPro Hero 5, Protective Lens Replacement covers the lens of your HERO5 Black to keep out dirt, dust and scratches, Tool-less removal and replacement, Flat lens ensures undistorted underwater taking, Material: Aluminum alloy+glass