Style and Size : 3mm crimp cover bead. Materials : 14k gold filled. Quantity : 20 pieces. Condition : top quality and fine finished. Additional Information: use these crimp cover to conceal crimped crimp beads, simply use the crimp pliers to close the cover over a crimp bead to professionally finish your design. Gold Filled: Gold filled is an actual layer of gold-pressure bonded to another metal. Gold filled is not to be confused with gold plating as filled literally has 100% more gold than gold plating. Gold filled is much more valuable and tarnish resistant. It does not flake off, rub off or turn colors. safe for people with sensitive skin.