Use a pencil eraser and an ink pad to stamp polka dot confetti onto envelope.
Use professional balloon pump to blow up your sky blue matte balloon; do not tie. Hold the balloon with one hand, and write a message on the balloon with your other hand.
Hole punch two holes on either side of Hello Kitty’s hands on the front of the invitation. Thread grosgrain ribbon through the holes and tie balloon in the inside cover of the invitation. Then tie a bow on the front of the card to secure.