Fine silver (PMC), copper, brass, bronze, sterling, steel, patina, nuts and bolts, 18" flexible sterling silver cable. Size: 2"x1˝". © Copyright 2011 Hadar Jacobson - All Rights Reserved Hadar's Clay™ is a trademark of Hadar Jacobson. The terms "bronze clay" and "copper clay" are used generically and do not denote any particular product or brand.