Product features luminous light-induced energy storage

luminescent sheets1, does not contain any radioactive material, non-toxic, harmless, no burning, phosphorus, lead and other harmful elements or chemicals on human security, through the national authority of the inspection department.
2, has stable physical and chemical properties.
3, the service life of up to 10 years.
4, tiny particles, easy with a variety of transparent materials mixed media.glow in the dark dye