Originally developed for covering the wings of airplanes, it is also referred to as boiled or brown linen. This lightweight, unbleached, unsized Irish linen has a very high thread count (152 threads/inch,) is very tightly woven and exceptionally strong. Used for hinges, mounting, repairing, lining, and many other applications. Weight is approximately 200 gsm. Imported from Belgium. At customers request, we now stock this very desirable cloth in 60" and 85".