Weldas manufactures a full line of protective clothing made from FR-7A flame retardant cotton sateen including these 18″ welding sleeves. Weldas FR conforms to ASTM D6413-13b test method, developed to ensure a satisfactory standard for vertical flame resistance, after flame, after glow, and self extinguishing. Retains flame retardancy for up to 50 normal home washings and 25 commercial. Sleeve is 18″ long and has elastic on both ends. Sold per pair.