Blossom's Flax Seed Mill efficiently crushes and grinds the hardened exterior of flax seeds to unlock the health benefits of this superfood;Made from BPA-free polycarbonate with ceramic mechanism; will never dull or rust; base automatically opens and closes for mess-free grinding;Unique ceramic mechanism grinds gently to prevent natural oils from heating and spoiling; grind a little or a lot;Simply fill and twist to grind; keeps flaxseed at the ready; refrigerate between uses to preserve freshness; grind oatmeal and sesame seeds, too;Sprinkle on smoothies, cereal, salad, and more; disassembles for cleaning; top-rack dishwasher safe