Paper Spiritz Pop up Birthday Cake Cards, 3D Card, Birthday Card, Pop up Valentine's Day Card, Anniversary Card Birthday Greeting Gift Cards Size: 5.04 X 5.83 Inches ( 12.8 X 14.8cm). Pack Including popup birthday card,envelope and Opp bag. With blank pages that you can add your birthday greeting words as whatever you needed. The pop up card is perfect for Birthday, use it as a greeting card or as an invitation to the best Birthday party ever. Suitable and Fantastic birthday card for kids, elderly, your family, colleague and friends etc whoever you love.