Coxeer M50 Airsoft Mask Full Face Skull CS Mask With Fan (Sand Colour) Shock resistant Engineering plastic,very tough and sturdy Each mask set has two pairs of inner glassesblack and transparent which is explosion - proof and sunshine-proof Inner air circulation system which is composed of two fans in the two "filters" High density nylon straps which can keep the mask stable in fierce competition Excellent mask for airsoft game or movie shooting, cosplay, halloween. Give you a feel of Fallout series.