About this item Premium FR Vinyl- Specialized, thick (14mil) flame retardant PVC vinyl offers protection and durability for metalworking environments Ultrasonic Welded Grommets – Flexible, tough connection points stretch to optimize fit to frame while maximizing screen longevity Compliances – Meets ISO 25980 Standard for Transparent Welding Curtains, California Fire Marshal requirements for Flammability Testing per CPAI-84, Meets NFPA 701 test requirements for Flame Retardancy Nylon Cable ties are included for quick installation Made of 14 mil flame retardant vinyl