Gutermann Linen Thread 50m spool. colour number 5129 Natural thread in 100% linen High tear resistant and robust thread Suitable for hand stitching 50m spool Thickness Ticket No. 30 Recommended Needle -Hand sewing needle White Gutermann Linen thread is a 100% linen natural thread that is suitable for heavy and strong fabrics such as leather and tarpaulins. This high quality thread is particularly tear resistant providing a strong and robust thread. The strength and thickness of this thread also makes it an ideal option for many other hobbies & crafts including model building. Suitable for washing at 30°C, tumble drying, dry cleaning and high heat ironing.