Material:multi-layer coating technology, polycarbonate material, five layers of protection, not only protect against wind, sand, and shock, but also wear resistance, HD, lightweight, waterproof and anti-fog, is safely and useful for your everyday use. Adjustable Temple: You can adjust the temple length according to your needs, suitable for most face shapes. The perforated design is convenient for you to wear a rope or a chain according to your needs, can be worn around your neck when you are not using it An anti-fog coating technology gives you a clear view and increases safety during a heated game. Our safety glasses are perfect for many different uses such as DIY including home maintenance, automotive work, computer repair, house and garden cleaning or in a range of other environments such as school science lessons, cleaning, painting, sport, soldering or woodworking - Perfect for men, women, boys or girls.all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution."