Sterling silver round engravable disk pendant measures approximately 30mm in diameter. The back of this item can be engraved for an additional cost. Learn more about engraving here. .925 Sterling Silver Customizing with a symbol? Please use code from symbol library to indicate placement of the symbol. Ex: Rose Jack = Rose (A1) Jack Note: Please allow up to five (5) business days for your personalized item to ship. If you prefer your non-engraved items be shipped immediately, please indicate that in the Order Notes at checkout; otherwise, your entire order will be held and shipped complete when engraving items are ready.