Invisible reusable labels are written and read using light

Currently, package labels contain certain information – such as barcodes, serial numbers or buyers' addresses – that would be best left unseen by wrongdoers. Newly-developed rewritable labels could address that issue, as they're blank and transparent unless exposed to a certain type of light.

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👍Easy to Use: The back of each dry erase label has a strong soft magnet that quickly adheres to metal surfaces for easy installation and removal.

Magnetic Dry Erase Labels - 50 Pcs Reusable Strips for Classroom Home Office Garage Refrigerator in 25 Colors - 1 Marker for Whiteboards Fridges Name

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Depuley LED Remote Ceiling Fan with Light, 40W Modern Dimmable Ceiling Fan Lighting, 7 Invisible Blades, Ceiling Fan Light Fixture Flush Mount, 3 Color Changeable, 3 Files, Timing, Starry Sky Fan Lamps – DEPULEY

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Kids will love playing spy games with these invisible ink spy pens. The pens come with safe and non-toxic invisible ink that can only be seen when you

Wrapables Invisible Ink Pen with UV Light, Spy Pen for Writing Secret

Convenient size sheets for handwriting or printing labels. Labels stick well remove easily and leave no residue. Pack of 1008 Labels

Avery Print/Write Self-Adhesive Removable Labels, 0.75 Inch Diameter, Yellow, 1,008 per Pack (5462)