The world's best selling stretch jewelry cord... strong, durable, non-fraying and with great elasticity and resiliency... making jewelry easy to wear & remove. The one cord for so many applications. Stretch Magic's toughness allows for excellent knotting strength. Available in up to 4 thicknesses, .5 mm being the thinnest, and 1 mm being the thickest. Elastic is clear and are in 30 ft rolls. Made in the USA.