crystal ball,flower mud,water pearl gems 1.non-toxic,ororless 2.color never ... MSDS, EN71PART 3 Reports Features and Function:crystal ball,flower mud,water pearl gems"MARBLE PEARL"is a kind of round ... type of green environmental material, It is not natural Mud, it isCrystal Mud rich in nitrogen, phosphorus, potassium and others.2) can ...