Package includes: You will receive a set including 25 book cards, 25 invitation cards, 25 diaper cards and 25 envelopes are included to ensure they arrive safely in the hands of your guests. "Size: The invitation cards in this card set are 4*6 inches, while the diaper cards and book cards are 2.1*3.5 inches, making them easy to store and carry." Baby Party: This baby shower card set is perfect for baby parties, gender reveal parties, and other events. Share the joy of a new life with your guests and break the ice. "Cards: Double-sided printing with clear designs featuring classic cartoon characters. Printed on thick, durable paper, high-quality cards ensure your party runs smoothly."