MKOOL Swim Goggles with Waterproof Anti-fog UV Protection and Heightening thickening 100% Comfortable Eye for Men and Women(Black) 100% environmentally friendly silicone lens ring,head strap,soft and comfortable to wear PC lens,UV-protection material with plating class.It protects the eyes from harmful ultraviolet rays and suitable for outdoor user Longer-lasting anti-fog and perfect for recreational or racing swimmers;Soft non-toxic and tasteless,excellent flexibility Seismic sealed silicone lens ring,increased thickening of the design to reduce pressure in the eye;expanded side view helps you keep an eye on the periphery With L,M and S three sections adjustable nose;adjustable snap,flexible head strap length adjustment