The OB Free Product Coupon is back! Get a coupon for a free box of O.B. Tampons and see the difference from your regular product. Just scroll to the bottom of the page and click the button (it may still say $1, this will be a FPC when you complete your request). Whether you use O.B. already or you want to try them for the first time, this is a great chance to see what they are like before you buy.