■ GULL Coco Silicone Diving Mask [GM-1270] The cute design of this coco is a renewal of the silicone body with a popular leakless system for women with an excellent fit. The lenses are equipped with UV protection that is gentle on the skin of women and the eyes. Reduces approximately 45% on average, UV-A wavelengths to reach surface without ozone depression (It blocks UV rays by about 2 times compared to ordinary glass. Compare to Kinugawa When equipped with UV protection lenses, this lens has UV protection that limits the limits of color and gives it the same feel of use as bare glass. The impression is bright when worn, and you can enjoy clear vision in the water. UV Ray Properties: UV-A: Absorbs and accumulates in your eyes during many years and is harmful to your eyes. UV-B: Most are absorbed by ozone layer, but some reaches the surface and is harmful to the eyes. UV-C: Absorbed by ozone layer and does not reach the ground. Frame size: Width 6.5 x Height 3.2 inches (165 x 82 mm). Contents: 4.9 fl oz (140 cc). Weight: 7.1 oz (218 g).