You can submit your measurements in millimeters or inches, but millimeters will get you the most accurate fit. PLEASE just be sure to: *include all of the dimensions listed below for the type of piece you're ordering *measure a piece of jewelry that fits you comfortably the way that we have indicated below. This may not be the way everyone measures. We like to make sure we're on the same page so your jewelry will fit well.
1) Flat or Convex Face 2) Flat or Concave Back 3) Wearable Length
4) Overall Length 5) Face Length* 6) Face Height* 7) Wing Length
*for Round Labrets these measurements should match.