Material: The welding mask is made of high-quality polycarbonate, with exquisite craftsmanship, strong light transmittance, safety, and durability. Contents: 10 welding helmet lenses. Products are in sufficient quantity and reliable quality, which can well meet your needs. Advantage: Easy-to-use welding helmet lens. Before use, remove the protective film from both sides of the product and place it on the front of the auto-darkening lens for protection. Usage: The welding mask is very practical. It is an essential spare part for industrial work. It is suitable for electric welding, gas welding, polishing, and other work. Features: High-quality product. Made with high-quality, durable materials. PC. Protective mirror for; hydrogen arc, electric welding, and cutting. The protective sheet is made of flame-retardant and anti-fall polycarbonate (commonly known as plastic glass). Inner and outer protective sheets become smaller and more; inner and outer. The outer protective sheet is mainly used for arranged bodies and external splashes. The inner protective plate mainly blocks dust. Product Parameters: Name: Protective sheet. Color: green. Material: Polycarbonate. 10 protective sheets.