Silicone frame Polycarbonate lens Anti-Fog Coating coating Anti-fog and UV protection coating provide you an excellent swimming experience under water. Anti fog protection can offer you a clear and long distant view under water,UV protection can help protect your eyes from being hurt by UV and bright lights. Completely sealed silicone protective circle design prevent water from entering your goggles, help to reduce the pressure around the eyes, keep your eyes dry and comfortable. The headband is made of soft and elastic silicon,comfortable to wear,as well as prevent eyeglass slipping during swimming.Adjustable headband offers different size options to Fit Any Size.It is also easy to quick release. The goggles have soft silicone earplugs,comfortable in ear with high waterproof. The earplugs are attached to the swim goggles to protect swimmers' ears,a fixed design that you will never lose them. Perfect for outdoor and indoor activities including: Casual swimming ,Swimming Classes ,Triathlons,Pool Parties, Synchronized Swimming, Water Fitness Classes, Water Skiing, or just enjoy time in the water.