Kearing Permanent UV Invisible Pen
SKU: UVP10-B
Permanent blue color markings only visible under UV lamp.
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Product Description
The ink is invisible after you write with it, unless you use UV light to see the secret message perfectly.
Permanent markings for quality inspection and secret marking, suitable writing on textile, paper, plastic, wall, shoes, etc… Writings proof against normal washing or boiling.
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