Please Check The Measurements In The Last Photo. * Necklaces are 925 Sterling Silver.             *Small      : 20 x 16.5    mm *Middle    : 25 x 21   mm *Large      : 33 x 27  mm *XLarge    : 40 x 33  mm If you have a special size and thickness request, please contact me. *There is my Markam and 925K stamp on the necklace. *GOLD and ROSE plating is NOT PERMANENT. It may disappear in a short time. * If you want permanent gold plating, MICRON PLATING can be done. It is plated with 1 grams of pure Oval Sterling Silver Jewelry Tarnish Resistant, Oval Sterling Silver Tarnish-resistant Jewelry, Classic Square Pendant Jewelry As Gift, Engraved White Gold Stainless Steel Jewelry, Classic Square Pendant Jewelry Gift, Classic Silver Tarnish Resistant Jewelry, Classic Stamped 925 Medallion Jewelry, Classic Silver Square Pendant Jewelry, Classic Pendant Jewelry As A Gift