Glow in the dark glass mosaic. Glow 8+hrs. Acid, water resistant. ... 15mins.2, Material & ApplicationMade of glass and photoluminescent pigment. The mosaic can be used in toilet, kitchen, ... photoluminescent films, photoluminescent shoelace / strings, photoluminescent glass, photoluminescent cup chap, photoluminescent mosaic, photoluminescent stone / pebble, photoluminescent football, photoluminescent ...