... , EN71PART 3 Reports Features and Function:aqua gems,water crystal,flower mud"MARBLE PEARL"is a kind ... of round shape,but different from common rainbow pearl ... like marble.1) Crystal Soil is a new type of green environmental material, It is not natural Mud, ... years3) It can absorb water up to 50-100times of its original weight, and after expansion it lookscolorful ...