... toxic, pollution-free Features:1) Crystal soil is a new type of green environmental material2) It's non ... , light green, light blue, transparentDEMI crystal soil is a novelty hi-tech products, it is water absorbent polymer, ... absorb and hold 200 times of water for a long time, to release water gradually to supply ... for lover,candles berries and more.They add a sparkling accent to vases or bowls for your ...