Beadalon Stretch Cord Rubber Black 0.8 mm / .32 in 100 m / 328 ft

Beadalon Elasticity is specially deveoped to Jewellery making. This soft elastic cord stretches like a rubber band. It is ideal for stretch bracelets, power bracelets and hair bands. Designs made with Elasticity drape elegantly and will retain their stretch.

eBay