Introducing our top-quality optical class 1111 Nylon Auto Darkening product! As a factory, we are proud to present this cutting-edge technology designed for optimum clarity and enhanced safety. Crafted with precision, our auto-darkening lens seamlessly adjusts to different light conditions, providing reliable protection for your eyes at all times. With its durable nylon construction, this product guarantees long-lasting performance and exceptional comfort. Experience superior optical performance and trust in our factory-made product for ultimate eye safety!