ZHENYA Swimming Goggles for Men Women, Pro Anti Fog Technology, Comfortable, FREE Protective Case Nose Clip Ear PlugsPro Performance Adult Unisex Swimming Goggle with 100% UV Protection Material: Made of High-class PC glasses,100% UV protection,and Anti-fog coated, and watertight; Strap adjustment is quick and easy. The headstrap is made of 100% soft and elastic silicon,comfortable to wear,as well as prevent eyeglass slipping during swimming and the adjustable side buckles offers different size options to Fit Any Size. Very easy and handy to use to adjust the strap to shape your eyes and face properly.