They come in a Shade 14 welders glass lenses which is very dark and often used for welding as well for solar eclipse observation. They are far too dark to use as sunglasses lenses; they block over 99% of UV light and 97% of IR Radiation. These Lenses offer a higher quality optics when viewing the solar eclipse than the standard economy paper glasses sold on the market today. When wearing these solar eclipse glasses for watching the eclipse or sun gazing your eyes will feel relaxed and you will not squint or strain to look at the sun at all.
Be sure to purchase your Solar Eclipse Glasses at www.Rx-Safety.com before the next solar eclipse!
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