White Elastic Thread 547 Yard Package (1 Rolls) 0.5mm Thickness White Elastic Thread, 547 Yard Package (1 Rolls) 0.5mm Thickness Create gathering, shirring or smocking on fabric using straight, zigzag or decorative stitching Length of a roll:approx. 500 M (547 Yard) Dia.(thickness):approx.0.5mm