The 3M Speedglas Protective Bag is used to help protect a 3M Speedglas Welding Helmet Assembly or a 3M Adflo Turbo Assembly when not in use.To effectively store or carry your 3M Speedglas welding equipment, use 3M Speedglas Welding System carry products. With options available for welding equipment storage including bags and pouches or options for safely carrying your equipment when in use including backpacks. Welding bags and pouches are designed to store your welding helmets and powered air respirators when not in use, protecting from dirt and scratches. Backpacks are available to enable the wearing of a powered air respirator on the back, rather than the waist, designed to aid wearer comfort.