Say "Happy Birthday" with this hilarious greeting card for somoene who is about to find out why old guys wear their pants so high! The cover features an illustration of an older man with his pants hiked up around his chest. The text reads, "Know why old guys wear their pants up so high?" Inside reads, "You will soon! Happy Birthday" preprinted with blank space for signing your own greeting. This greeting card also includes a free mailable “YOU GOOD?” bonus postcard! That's two cards for the price of one! Just check a box or write a note, address it and drop it in the mailbox.