Not only does this envelope pop confetti, but it also features funny birthday-themed cubes that spring up when opened. These cubes showcase a variety of funny and trendy designs that add an extra layer of playfulness to the birthday surprise.

What an amazing best pop-up cards! Compared with traditional greeting cards, this greeting card tends to be displayed in 3D. Brighten someone's special day and create lasting memories with PopBox. It's an ideal gift for anyone who loves surprises, has a fun sense of humor, and the pure excitement of birthdays!

Material：Paper