* This offer has ended.
Get a free o.b. tampon sample when you vote for the sustainable cause you believe in most. You will need to check a brand other than o.b. when they ask which feminine products you use. Then it should say “We noticed o.b. tampons is not your tampon of choice…yet! Watch your mailbox for a FREE product sample coming soon.” This will be at the top of the page where you can send your friends ecards. US only.