These Flame Retardant vinyl welding curtains are also oil, water and mildew resistant. Polyester scrim provides superior tear resistance and stability for large curtain applications. Recommended for vertical use only, these curtains offer grinding, light sparking, privacy, dust/splash/spray confinement for welding enclosures. Meets NFPA-701 Large and Small Scale & California Fire Marshal approval. Colors: red, black, white, green, yellow, blue, tan & grey.