High quality A4 bonding vinyl glossy paper that glows brightly in the dark with an adhesive layer.
You can write on (with a permanent marker), you can stick it somewhere and you can cut out shapes and figures.
Effect Glow in the dark products absorb light and give it away in the dark. Another name for glow in the dark is Phosphorescence or fluorescence. It simply comes down to the product absorbs light and releases it back into the dark. This can with phosphorus, but also with newer chemical compounds.
If it is not dark, it will glow in the dark does not work properly. It has to be very dark in order to get a good effect. Depending on the quality this process may persist for a number of minutes to a few hours.