Pendant measures approximately 17.5mm x 13mm. Due to the petite size of this pendant, we can only engrave one initial. The back of this item can be engraved with a single letter for an additional cost. Learn more about engraving here.14/20 Gold FilledNote: 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.