Salt does not have an expiration date. We also offer a 1kg commercial size. (This is a fine granular type) This salt, made on Miyagi Island in Okinawa Prefecture, is good for the body and rich in minerals. It is Guinness-certified for containing the most diverse range of minerals in the world. ★We will ship it directly in a Yu-Packet Post mini envelope, so please purchase only if you are not concerned about this. m(_ _)m Type...Salt