Say "Happy Birthday" in the funniest and most inappropriate way possible with Cardstalked's Pop-Up Birthday Card! This handmade 5x7" 3-D pop-up card is sure to be the hit of the party. On the outside, it says "Youthfulness is like diarrhea" and when opened, a pair of pop-up blue jeans appear with the words, "it runs in your jeans." The card also features a birthday cupcake with the words, "Happy Birthday." This 5x7in card is crafted from thick cardstock and includes a premium envelope and UPC barcode packaged in a premium envelope. Cardstalked is a veteran-owned small business with a motto of "Cards for a cause," which means a part of each card sold is donated to a relatable charity. So not only will you bring a smile to your friend's face, but you will also be helping others in the process. Get Cardstalked's Pop-Up Birthday Card and make your friend's birthday even more special and memorable!