Source: https://www.amazon.com/Emerald-Cove-Silver-Pacific-Seaweed/dp/B001BKTH70/ref=as_li_ss_tl?s=grocery&ie=UTF8&qid=1493495783&sr=1-2&keywords=kombu&th=1&linkCode=sl1&tag=golubkitch-20&linkId=4cce126c83bcb1f8011ac1cb049935cc