Note:10pcs a pack, you can choose 5 colors if you like.
The light could glow in the dark for more than 10-12 hours after absorbing the sunlight for 10 ~ 20min.
It could be used over and over again.
Environmental friendly material: no radiation, non-toxic. Water, acid and alkali resistant, antioxidant.
Applications: fish tank, pebble road, wall, vase, flower pot, swimming pool and where ever you could think about.