Luminator™ Class III Rain Suit, 0.4 mm Polyurethane, Fluorescent Lime, Large ORS NASCO Added carbon layer helps filter Added carbon layer helps filter out nuisance levels of ozone and organic vapors FlexFit® design moves easily with your face and stays in place Fits easily under welding hoods Can be used against most welding fumes (free of oil) The high adhesion value of this natural synthetic rubber blend combined with the conformability provides a high degree of versatility This general purpose masking tape is extremely versatile and may be used for interior masking Suit is made with an ultra light weight stretch polyurethane material backed with a soft cotton polyester blend This elastic PU technology allows for maximum comfort and reduced worker fatigue for all seasons