Nail width at the widest part, in millimeters (mm).

Tip: Due to manual measurement and polishing, a 1–2 mm difference is normal.

• XSSuitable for very slender fingers or extra small nail beds.
• SStandard size for most people.
• MComfortable fit for slightly larger nails.
• LSuitable for larger or wider nails.

Between sizes? Choose the size that fits you most comfortably, or contact us at starlightfairyshop@gmail.com.