SIZE OF GOLD NECKLACE Length of the emerald green pendant necklace is 16"+2" extension, pendant 0.4*0.6", weight 4g.MATERIAL OF TRENDY NECKLACE Made of high quality stainless steel with green created opal, 18k real gold plated, lead free, nickel free and hypoallergenic, no harm to sensitive skin.MATCH WITH OTHER NECKLACE Green crystal stone necklaces are simple enough for layering with other necklaces in your collection.PACKAGE AND OCCASION Our jewellery is packaged in our signature Eco-friendly jewelry box that protects the item from scratch.Great gifts for Mom or Grandma on Mothers Day, anniversary, birthday, or wedding celebration.