* You can measure your ring size as the following table and then choose your right size.As the Picture:2.Necklace be measured as the pictures :STEP : * Line 1-6 seprately represent different lengths of the necklace ;* Schematic representation of the necklace&＃39;s wear position is only for reference,not for specific wearing effect ;* Personal height and weight makes different product adorn; Company InformationYutai Jewelry is one of the most professional jewelry factory over 10 years. Our products includes rings, pendants, earrings, bracelets, necklaces and other fashion jewelry sets. The materials are 316L stainless steel, copper and zinc alloy which surface is with 18K gold, rose gold or silver plated. We have our own designer & own production lines, OEM & ODM service is also provided. Now our jewelry are hot selling at America, UK, Japan, German, Iran, Indonesia, Canada and other 60 countries with fashion design & most competitive price & high quality. Welcome to contact us for more details.