Description: The lens of the swimming goggles are made of high quality polycarbonate, which is wear resistance and can be durable to use. The outer surfaces of the lenses are carefully coated which enables the lenses to filter harmful rays and protect your eyes from heat and damage of the sunray, especially when you swim outdoors. You can choose the color you like from the 7 colors swimming goggles and there will be the one to satisfy your need. The inner surfaces of the lenses are anti-fog coated with the latest environmental treatment technology, which maximum enhances the anti-fog ability of the goggles and does no any harm to your body. The waterproof swimming goggle provides a sleek, snug, low profile inner eye fit. Flexible silicone frame and special design nose piece provide extreme comfort. Specification: Lens material:polycarbonate. Color:as the picture show. Size:3.6*16cm. Strap material:silicone. Strap length:95.5cm Notes: There might be a bit color distortions due to different computer resolutions. Because of the manual measurement, there will be a bit of error here. Please understanding, thank you! Package include: 1*swimming goggles.