SeaDive RayBlocker Mask SeaDive's Exclusive RayBlocker-TruVu Masks w/ Anti-UV and Anti Glare Protection and TuVu Ultra Clear Lenses.TruVu lenses let in more light. Eliminate reflections from standard floating glass impurities.RayBlocker- TruVu minimizes harmful UV rays. Reduces lightwave length to the 400-600 nanometer range, most comfortable for human-eye viewing.Lenses are a gold color.