... and Function:crystal soil, water bead, water gel, marble pearl, photo pearl"MARBLE PEARL"is a kind of round shape crystal soil ... different from common solid rainbow pearl, it feather swirl colors like marble.1) Crystal Soil is a new type of green environmental ... /bag, 1kg/bag Headcard 10g/bagHard box 20g/color box. marble pearl, photo pearl, crystal soil, rainbow clay,hydro gel