These are new kinds of pattern colorants in pellet intended for olefin materials which we developed by our unique technique and method. As they are reproduced by screw-type molders, they are best applied to PP, PE. No special equipment or die is necessary. As they are offered as master batches, they feature excellent workability and environmental friendliness and yet are very cost effective. Marble Patterns Applications include automobile interior finish materials and household daily commodities.