Features: The auto darkening safety glasses possess a detachable design, making them compatible with other personal protective equipment. This allows for versatility in usage, promoting convenience and adaptability in varying work scenarios. The welding goggles auto darkening come with efficient arc sensors. These sensors detect strong light swift, triggering a rapid transition from light to dark. This quick response protects your eyes from potential harm and ensures a more comfortable working experience. Specifications: Material: silicone and PP Color: black Size: about 4.82 x 1.38 inches of view area Package includes: 1 Pair of auto darkening welding goggles Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Please note that masks and helmets are not included.