1

Measure

Use a flexible tape measure or a strip of paper to measure the widest part of each fingernail, side to side.

2

Compare

Match your widest nail measurement to the size chart below. If you're between sizes, go one size up.

3

Apply

Each set includes 24 nails in mixed sizes. File any nail down slightly for a flush, salon-quality fit.

Size Chart

Size Nail Width Best For Included Per Set
XS 10 – 12mm Petite hands, pinky & ring fingers 8 nails
S 12 – 14mm Slim fingers, most ring & middle fingers 6 nails
M 14 – 16mm Average width, most index & middle fingers 6 nails
L 16 – 18mm Wider nail beds, thumbs 4 nails

Application Tips

Step What to Do
Prep Clean nails with alcohol wipe. Push back cuticles. Lightly buff nail surface for best adhesion.
Apply Peel adhesive tab or apply nail glue. Press firmly from cuticle to tip for 10 seconds per nail.
Activate Press the tiny button on the inner edge of each nail to turn on the LED. Press again to cycle glow modes.
Remove Soak in warm water for 5 min, then gently peel from edges. Do not force removal. LED unit is reusable.
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Pro tip: If your nail measurement falls exactly between two sizes, size up and file down. Our press-ons are designed to be filed for a custom fit without damaging the LED circuit. The LED module sits at the center of the nail, so edge filing is totally safe.