Glow in the dark glass mosaic. Glow 8+hrs. Acid, water resistant. Colors selectable. ISO9001, RoHS, SGS norms matched. 1, DescriptionGlow in the dark mosaic, called as glow mosaic, luminescent mosaic, luminous mosaic, fluorescent mosaic, night light mosaic, night glow mosaic,etc., can gives night light for 8+hours after recharged by sunlight or lamp light for 10~15mins.2, Material & ...