Measuring Unit by "mm/millimeter".

Better slightly larger than smaller. If most nails fit the table while a few are slightly smaller, it is recommended to choose the size that matches most of fingers.

with [measuring ruler] or [paper and ruler]

how to wear with Jelly Glue

• for 3-5 days
• no need lighting
• reusable
• no/less hurt to nails

how to remove Jelly Glue