Stress Stop Stress Testing Cards,Testing Card,50/Pack,BF3Price: USD46.99 Stress Stop Stress Testing Cards are beautifully designed with a sunset or mountain background. Just like a plastic credit card, it goes neatly in wallet or purse. The heat sensitive material on the front of the card changes color to tell the user whether they are relaxed or tense. These cards are great for seminars, health fairs and other health promotion campaigns.Other products from H e a l t h P r o d u c t s F o r Y o u |