Product Description: Absolutely Guaranteed Without-a-Doubt Genuine Solid 925 Sterling Silver. We have been sellers on eBay for 23 years with over 1 million successful sales. This would not be possible if we were selling fake jewelry. ALL SIZE necklaces come with a STRONG LOBSTER LOCK! Our necklaces are the highest quality, they are direct factory imported from Italy. Made in Italy. The highest jewelry and necklace craftsmanship is Italian Jewelry. Stamped 925 near the clasp. Box chain are perfect chains for a variety of pendants. It is the most popular necklace in the jewelry market. Box chains are very strong chains, especially for its size. We have all different sizes available in all different lengths. Widths and Weights. All weights are estimates and may vary slightly. 0.8 mm 1.5 mm14" - 1.8 grams 16" - 5.4 grams16" - 1.9 grams 18" - 6.2 grams18" - 2.2 grams 20" - 6.7 grams20" - 2.4 grams 22" - 7.4 grams22" - 2.5 grams 24" - 7.8 grams24" - 2.9 grams30" - 3.5 grams1.25 mm 2 mm16" - 2.7 grams 16" - 8.6 grams18" - 2.9 grams 18" - 9.5 grams20" - 3.1 grams 20" - 11.1 grams22" - 3.3 grams 22" - 11.8 grams24" - 3.7 grams 24" - 13.0 grams30" - 4.6 grams Shipping: Shipping is free in the U.S.A. Returns: 30 Day Refund or Exchange as long as the Item is in the same condition as received. Powered by SixBit's eCommerce Solution