This is a set of two. Use as fashion glasses indoors and sunglasses outdoors♪ These 2-way lenses change color intensity depending on the amount of UV light! Perfect for travel, outdoor activities, and driving ◎ (The lens color will not change inside a car with UV-cut glass) Unisex design(^^) The large lenses also have a face-slimming effect ◎ ~ About Photochromic Lenses ~ The lens color automatically changes depending on the "amount of UV light" and "temperature." When you go outside and are exposed to UV light, the lenses change to a color, and they return to clear lenses indoors or in places where there is no UV light. One pair of glasses can be used in two ways: as glasses and sunglasses. 【Color】 Brown (Black is also available) ●Imported product● We carefully inspect each item before shipping, but there may be rare instances of minor scratches, distortions, or color unevenness. Compared to Japanese products, there may be imperfections in the sewing or specifications, as well as small scratches or stains. Please understand this before purchasing.