Promate Scuba Dive Diving Mask Snorkeling Color Correction Mask with Tinted Lenses Snorkel Underwater color correction lenses - &lt;b&gt;available in Red (TrueColor) or Yellow (SharpView) lenses&lt;/b&gt; Mirror Coated Lenses (hides your eyes and reduces glare while diving) 100% UV protected tempered safety glass lense Ideal for medium to large faces - &lt;b&gt;face seal size W4 3/4 * H3 1/2&lt;/b&gt; Slim frame eliminates the bulky and cumbersome look!!!