Item #: IIMP (47008). Write your secret messages (e.g. your driver's license number) with the white pen invisibly. To read the message, rub the black pen all over the words to reveal them. If the pen is dry, simply dip in water to moisten. 0.5 oz x 6".

SHIPPING & HANDLING: $5.00 USPS Mail w/ delivery confirmation within US. $0.50 for each additional item. Normally shipped within 1 business day. We combine shipping charges on multiple items based on total weight to save you money.