Responsive to UV, LED lamps and sunlight

It's a shameful heart variety set :)

Translucent white heart when there is no UV light

Light peach pink color even with a little UV light

It is a heart that turns red as the ultraviolet rays become stronger.

Comes in a mix of two sizes.

*Size information (there may be errors)*

No. 1 heart size: 8mm

No. 2 heart size: 5mm

Quantity: About 90 to 100 per pack

(There may be errors)