The clasp is strong and secure. There are twenty detailed Guilloche Enameled 925S links, beautifully designed and crafted of heavy silver. This is a necklace to wear and enjoy; it will last at least a lifetime or two, a great piece. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Necklaces & Pendants".The seller is "antiquedesign4all" and is located in this country: US. This item can be shipped to United States.