Temperature sensitive business cards that change color when held in hand! New technology used to activate crystals for a full attention capturing. Custom printed business cards are a great way to promote your business, organization or event! At PromoteKey you can design business cards, and a variety of other wonderful specialty products, all with your imprinted logo or slogan. You can upload your own artwork or create custom designs using our image and font libraries. Creating personalized business cards has never been easier!
Our temperature card tells you if your household water or home is too hot or too cool, so you can take action to lower the temperature. This is a one-time measure which greatly reduces the risk of tap water scalds in your household. For information on how to lower your water temperature.