PEPPERELL-Stretch Magic Double Pack. Stretch Magic is the world's best selling stretchy jewelry cord. It's perfect for just about any beading work because it's strong; elegant in appearance; and it stretches like elastic making your jewelry easy to wear and remove. The secret is a high-tech polymer that will not crack or harden over time. Non-fraying ends makes beading so easy. This value pack contains one 25m spool of 1mm wide Stretch Magic Cord and one 5m spool of 0.8mm wide Stretch Magic Cord. Imported.