It features a flip up design with interchangeable lenses to easily switch between shading levels. Provides clear images while replacing lenses as needed Soft silicone nose pads adapt to various nose shapes without pressure or allergies Lightweight 120g construction (26x18cm) ensures stable wear even after long welding Fully covered with high strength PP material to block the effects of welding, intense light, and heat damage for optimal resistance during welding work The combination of strategically placed vents and foam padding ensures proper air flow without compromising protection. Effectively blocks welding particles, bring discomfort to your face Built-in high sensitivity chip instantly detects light and automatically shading against blinking and eye burns. Prompt response time and professional protection from harmful radiation, Manufacturer: Lerpwige