Gold filled means real gold mechanically bonded to a brass core. Gold filled items contain at least 1/20th of their total weight in gold, hundreds of times thicker than gold plating. This gorgeous rose gold chain is sold in 10cm lengths and is perfect for everything from simple necklaces to unique charm bracelets. Multiples of 10cm will be supplied in one piece. Just add a clasp of your choice with jump rings and hang a simple pendant. Buy beads online with I-Beads.