* BALL BEADS * BEAD SIZES: 2mm 3mm 4mm 5mm 6mm 7mm 8mm  Silver  14KG FILLED   SIZE: 6.5"   What is "Gold Filled" material? It's the most durable metal next to the pure gold. It is a fusion of Gold and Brass usually. The color doesn't rub off, because it's FUSED not PLATED.