1. The inner surface of the lens is treated with the latest technology to prevent the goggles from fog. 2. With soft and flexible, silicone, gaskets the goggles provide excellent suction and nonslip coverage. 3. The UT proof, material lens effectively, protect your eyes from hurt by bright sunshine, especially when you swim outdoors. 4. Nose clips, mobile phone waterproof bag, and swimming cap or all in the kitchen so that you can enjoy swimming.