Black Welding Cup Goggles - 50mm Eye Cup Style Fully customizable and extremely easy to modify for costumes and props! Perfect base for any Steampunk goggle modification. Rigid 50 mm dual cup for optimal eye protection w/ shade #5 lens Ideal for use with welding and brazing applications, conforms to ANSI standard Z87.1 Removable side vents, great for customizing and painting!