Free Sample Glad Forceflex Bags – Sam’s Club January 14, 2010 at 9:41 am by Cindy Livesey | Uncategorized 2 Comments Get a Free Sample of Glad Forceflex bags. You DO need to be a member of Sam’s Club to get this Free sample. Allow 4-6 weeks for your sample to arrive. The links in the post above may be affiliate links. Read the full disclosure.