Housweety 20 Silver Tone Camera Charm Pendants 22x21mm B15219 Zinc metal alloy(Lead and nickel safe)size:22mm x 21mmhole:4.7mmx3.3mmThickness:3.5mm It's fashion, creative, full of special means, is a very useful accessory,will Fit All Chains. Zinc alloy stainless silver pewter jewelry and craft charms. Perfect for jewelry making. Assorted themes array of subjects and styles for all kinds of interests for parties or groups charms