Warm Relaxed fingers and fingertips turn the pen white wherever they touch it. So you have white prints to show if you are relaxed. The warmer your hands the whiter the pen. It is really pretty cool. A unique way to educate and advertise your services.
People love to pull out their pens and test other people's stress level.
Mailing fee to mail catalog to overseas address. Allow 2 to 6 weeks for delivery.