FREE O.B. Feminine Product Sample by Mail June 8th, 2018 By Nicole Leave a Comment This post may contain affiliate links, which means I will make a small commission if you click and make a purchase.Thank you for supporting Cha-Ching on a Shoestring! FREE O.B. Feminine Product Samples by Mail Hurry and claim a FREE O.B Tampons sample if you haven’t already. While supplies last. Looking for more FREE Samples by Mail? Click here. Never miss another deal! Subscribe to our FREE email newsletter or follow us on Facebook. Thanks for stopping by!