Housweety 100 Silver Tone Tortoise/Turtle Charm Pendants 15x9mm Zinc metal alloy(Lead and nickel safe)size:15mmx9mmhole:1.5mmThickness:2.7mm 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