NO PURCHASE NECESSARY. Sign up for your free Cottonelle Fresh Care Flushable Wipes Travel Pack. Offer good until 5/31/13, 12:00am or while supplies last. Limit one per person or per household. Offer limited to residents of the 50 U.S. and D.C., age 18 or older. Void where prohibited by law. Sponsor: Kimberly Clark Corporation, 2300 Winchester Rd. Neenah, WI 54957-2020.