Material: multi-layer coating technology, polycarbonate material, five layers of protection, not only against wind, sand and shock, but also wear-resistant, HD, lightweight, waterproof and anti-fog, safe and useful for yourdaily use. Adjustable temple: you can adjust the length of the temples according to your needs, suitable for most face shapes. Perforated design is convenient to carry rope or chain as you need, can be worn around your neck whenyou don't use it. An anti-fog coating technology gives you a clear view and increases safety during heated play. Our safety glasses are perfect for many uses such as DIY including home maintenance, automotive work, computer repair, house and garden cleaning or in a range of applications. other environmentssuch as school lessons, professional cleaning, painting, sports, welding or woodworking. Perfect for men, women, boys or girls. Our glasses are also widely used for shooting, airsoft, racquetball, water balloon fight. They are perfect for kids ages 8 and up and they wear them while playing with their guns.nervous.