FREE Sample of Cottonelle Ultra and Flushable Wipes!June 2, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Walmart has a new FREE sample available! Just go here to get a FREE Sample of Cottonelle Ultra and Cottonelle Fresh Flushable Moist Wipes! Click on the link that states, “Sample Both”. Allow up to 4 weeks for delivery.