Sterling silver clasp Necklace clasp Description It is very lightweight, very easy to carry. It needs to be reminded that silver jewelry is relatively easy to oxidize. When needed, you can use toothpaste to maintain it, rather than water Specification: Material: 925 sterling silver Outer Size: 0.39×0.28 in (10×7 mm) Inner Size: 0.24×0.14 in (6×3.6 mm) Shape: oval Package Include: 2 pcs necklace enhancer shortener