Nagasaki no Sato Awakara Suiso (Long Life Village, Hydrogen from Foam) Soap Foam Net Set of 3 Brand new, unused, unopened. Hydrogen is generated when you make foam. I have other items for sale, so please take a look if you'd like ^ ^ Due to work, I may be slow to respond to questions, but I will be sure to reply, so please wait. m(_ _)m Thank you. m(_ _)m