... space and very safe structure 5,High quality.... Auto Darkening Welding Helmet Mask Solar Hood Arc Mig Tig Usa Flag w 3 ... LensThis solar powered helmet has a fully auto power ON/OFF function. The lens darkens the instant you start welding for added ... .009%13,Weight: 430G (0.95 Pound)14,Material of helmet: PP15,Available color: blue/ black/ silver Solar Welding Helmet - CE