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Funny Birthday Cards Pop Culture Birthday Greeting Cards This funny birthday card puts a playful spin on the internet-famous "girl math" trend, making it the perfect pick for shoppers who love relatable humor and pop culture references. It's a guaranteed laugh for best friends, sisters, coworkers, wives, and anyone who appreciates a little shopping logic (or lack thereof). Phrase: In Girl Math, You are 21 A2 Folded Card [Size: 4 1/4 x 5 1/2"] A2 Kraft Envelope [Size: 4 3/8 x 5 3/4 in.] Interior Card: Blank Cello Clear Cover for Card Protection
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🇺🇸 Ship from USA · On Agora since 2025
$6.00