The thumb is usually wider and may have a different curve from the other nails, so do not assume one sizing pattern will fit the whole hand.
Check sidewall coverage
The press-on should cover the natural nail without sitting on surrounding skin.
Compare the largest sizes before buying
Look at the product’s size range and measurement chart to confirm that the largest pieces are wide enough.
Curvature still matters
A wide press-on can still fit poorly if it is too arched or too flat.
Save the exact thumb size
Record the size with the product and shape so you can repeat the fit later.
Fit checklist
| Check | Goal |
|---|---|
| Width | Cover the natural nail without overlapping skin. |
| Curvature | Sit naturally without rocking or excessive pressure. |
| Cuticle area | Align near the base without sitting on living skin. |
Use our measurement guide, fit checklist, and Find Your Fit page for the full process.
