Irish Waxed Linen Cord, on a 50gram spool. Irish Waxed Linen Thread's thickness and durability is ideal for stringing beaded jewellery. Irish Waxed Linen Cord is a thick thread made from linen fibers and is coated with a thin layer of wax, which gives it strength, weight and durability. The Linen fiber can give the jewellery a natural, organic appeal.