Uses pure gold K24. Gold and black necklace with heart and star charms, in a wooden box. - Material: Metal - Color: Gold/Black - Design: Heart and star charms - Package: Wooden box [Size] Wooden box: Approximately 21cm (length) x 4cm (width) Black charm: Approximately 2.2cm x 1cm *Please note that there may be slight variations due to measurement with a measuring tape. This is a pre-owned item that has been stored at home. There is no major damage, but there is some dullness on the connection parts of the charms due to long-term storage. This is not a perfect item, so it is being offered at a lower price. Please consider this before purchasing. If you have any questions, please ask in the comments section.