1. Applicable for Swimfans & Beginners. Swimming Goggles are just what you wanted 2. ergonomic eye-cups, made with soft silicon. Large contact area ensures less pressure around your eye-sockets, and prevents water-leakage more effectively. Extended and wider straps fit your head comfortably, fine-tuned nose-piece will never squeeze your nose-bridge 3. Never miss any underwater landscapes. With optical grade lenses, and double sided anti-fog coating. Mirrored lenses reflect most of outside light, clear lenses (non-mirrored) have higher transmission rate only for visible lights. And the coating on the lens surfaces protects your eyes from UV exposure 4. Easy to use. One click buckle with quick adjustable straps. Including two individual earplugs and a nose clip for goggles storage is included, protecting your goggles from pressure, dust and scratching. The case is slim, easy to carry with backpack or handbag