If getting your audience to at least notice your advertising is the first step in creating a great promotional product, then getting your audience to interact with it is the second. This direct mail piece includes a dark cloth and a sample of detergent. When washed, the dark cloth turns white and reveals a special offer. Which brings us to the third step in a successful promotion: getting your audience to take the desired action. Overall, this piece is a textbook case of how to create a terrific promotion.