【Chooese Different Lens】The removable design combined with customizable diopters addresses the concerns of nearsighted swimmers as much as possible, bidding farewell to the blurry underwater world. Be it -1.5 degrees or -6.0, simply swap the lenses to ones tailored to your specific prescription 【Nearsighted Diving Mask】 -1.5,-2.0,-2.5,-3.0,-3.5,-4.0,-4.5,-5.0,-5.5, -6.0 for choice, suitable for myopia divers.It's great snorkeling gear for adults. 【Anti-Fog & Anti-Leak, 180°Wide View Double Lens Design 】The advanced lens curve design has a wider underwater field of vision, the diving mask has been specially treated with anti-fog, allowing you to enjoy a crystal clear underwater experience 【Food-Grade Silicone Round-Edge Skirt for Max Fit and Comfort】The snorkel set come with upgraded dry top snorkel, which has an outstanding performance in breathing and air intake, you can snorkel confidently, even if you dive underwater, you will not get saltwater in your mouth, anti-splash design perfect for both experienced swimmers and beginners 【Easy to Carry Travel Snorkeling Set】Reusable carry bag, perfect for vacation, great for beach or pool, and fits into your travel case easily. Suitable for myopia people snorkeling, freediving and scuba diving diving mask