Discover This Week’s FREE Samples. Freeosk is offering FREE Zeiss Lens Wipes at Sam’s Club locations from 11/29/2024 through 12/05/2024. If you want to get this freebie, click on the “Get FREE” button, find a location near you, and head out to the store. Download the Freeosk app for Android or iPhone so you can redeem the samples at the Freeosk location.