The sealed bottle prevents air from entering and oxidation, and you can pour by simply tilting the bottle, and adjust the amount by pressing it. Product contents: Soy sauce, reduced starch syrup, salt, bonito stock, bonito extract, sugar mixed isomerized liquid sugar, alcohol, seasoning (amino acids, etc.), acidulant, liquid smoke, (some ingredients contain wheat and soybeans). Instructions: Store away from direct sunlight and in a cool, dry place.