Material: Pin Backs Locking made of copper, sturdy, and durable to use. Easy to Use: tool not are required when you use pin sets, easy to put off, and can match the different dresses. Portable: It is lightweight and convenient to carry. Multifunctional: pin backs are perfect for pins, insignia, name tags, DIY crafts, display books, jackets, lanyards, bags, vests, hats, badges, collectibles, jewelry making, etc
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