What better way to congratulate your mathematician friends on their upcoming baby than by reminding them about the importance of Baby Proofing? [Note: This card also works for birthday cards for smart babies, "I'm sorry you have to take geometry" cards, and greetings cards for any vaguely math related holidays, like Pi Day or Fibonacci Day. ]
This is a 5" x 7" blank card that comes with an envelope. It is printed on 88 lb, 16 pt thick matte card stock. The proof of quality is in the product!