... : stainless steel ring, ABS lid and ceramic core 2 glass jar 3 150ml,180ml 4 colorful mill, grinder top, big size and small size Features ... : 1) material: glass jar, stainless steel ring, ABS lid and ceramic corehigh-strength ceramic mechanism: A, features--high hardness, standing wear and ... , green, blue or as your needs. mill, grinder top, big size and small size