Angry Birds Secret Message Pen
It turns out, an Angry Bird pen is most trusted when it comes to keeping secrets! Under regular sunlight and indoor lighting, this ink is invisible. On the pen cap is a hidden clip button that turns on the pen’s special light. Only this special light will reveal your secret message – grab one for you and your best friend to make sure your messages are truly safe! - Product is approximately 5.25 inches (135 mm) long.