Our signature product, Tomasu Soy Sauce, is the only small batch micro-brewed soy sauce in Europe. The soy sauce is fermented and aged, for a minimum of 24 months, in 25- to 50-year-old whisky barrels. This package of soy sauces includes 3 small bottles of Tomasu Soy Sauce 20ml. Each soy sauce is handcrafted in Rotterdam, the Netherlands using locally grown ingredients from our own fields.