Extremely durable, the new Twin Core Elastics is available in eight different sizes to cover all situations. The transparent inner core ensures the elastic retracts faster than standard solid elastics, and the coloured outer gives it an incredible stretch ratio. Each packet contains a 6m length of elastic, making this extremely good value

Twin Core Hollow System
Retracts faster than standard, solid elastics
Extremely durable
Incredible stretch ratio
Super-smooth
Available in 8 sizes to cover all situations
6 metres per packet