Ships from Hong Kong. Our swimming goggles have interchangeable nose pieces so they fit great on men, women & children. Coating prevents your eyes from being damaged by harmful rays of the sun while you're in the water. Polycarbonate goggle lenses are anti-fog & scratch-resistant, providing exceptional visual clarity. Made from silicone providing a more comfortable fit & better seal than latex swim goggles. Molded double head strap keeps the goggles in place on your head so they don't come off in the water. The total width of mirror body is 16.3 cm,and the specular height is 4.8 cm.