Wood Necklace 56 Endless necklace with Palm wood tubes and copper tube accent. Copper is a naturally occurring ore. Length: 124.46 cm / 49 inches CARE: Avoid water and other liquids on wooden beads. Both copper and aluminium can be cleaned using a soft cloth with Brasso Do not store in direct sunlight. If marks appear, lightly polish using a soft cloth with a little mineral oil. Alternatively, coconut or linseed oil may be used.