Housweety Silver Tone Feather Charm Bookmarks 120mm(4 6/8Inch) 5PCs Material: Zinc metal alloy(Lead and nickel safe); Main Colour: dull silver tone(not silver plated); Weight: 66g; Approx:120mm(4 6/8");Hole size: 2.8mm(1/8");Thickness: 4mm(1/8"); You can use them as a charm for your jewelry DIY.