YAJU COMFORTABLE DESIGN: Swimming goggles are made of hypoallergenic silicone frames, which can be shaped into the shape of the face and face, the strap can be adjusted and friction is prevented, making it very comfortable to wear. UV PROTECTION: The colorful outer surface of the lenses with UV-Protection coating which enables the lenses to reflect harmful UV rays and protect your eyes from heat and damage of the sunrays. Clear lens is ideal for indoor swimming and mirrored lens is more suitable for outdoors. ANTI FOG:The anti-fog coating adopted the latest Environmental Treatment Technology which enhances the anti-fog ability. You will have a clear and wide sight rather than seeing double vision under water, no matter you are in swimming pool, lido and etc. NO LEAKING: The seal are made of double-layered, soft silicone for extreme comfort and leak prevention. Elastomeric Technology reduces pressure around your eyes and head, this swimming goggles can fully protect your eye and keep them dry. Colour: Black Product includes: 1x swimming goggles