FREE Sample of Crest 3D Whitestrips March 18, 2010Content may be sponsored or contain affiliate links. View full disclosure. Walmart is offering a free sample of Crest 3D Whitestrips. Along with the sample came a $10 coupon. You can find the request page here or the request form here for faster access. More freebies can be found here. ShareTweetPinShare
Walmart is offering a free sample of Crest 3D Whitestrips. Along with the sample came a $10 coupon.