This is a plastic bottle of premium tamari soy sauce made without wheat for those who have allergies or are intolerant to wheat products brewed in a traditional style with specially selected gm free whole bean soy this soy sauce has a rich but mellow flavour whole bean soy sauces take longer to mature but have a milder more rounded flavour please store at room temperature out of direct sunlight once the bottle has been opened please store in the fridge