The single-lens design broadens your vision under water. Double sealed silicone skirt for superior fit and comfort Two side lens Adjustable buckles simplify strap adjustment Top quality tempered glass lenses Super lightweight Age Group: Adult Age Group: Young Adult Frame Color: Blue Frame Color (by Producer): Clear/Blue Color of Glass Lens: Clear Color of Glass Lens (by Producer): Transparent Made in: Taiwan Face Shape: Regular Face Frame Type: 1 Lens Type of Diving Mask: Diving Type of Diving Mask: Snorkeling