Welcome new students with personalized messages on these galactic postcards. Drop them in the mail before summer ends, or hand deliver them on the first day of school to say hello. Use this solar system-themed stationary to introduce yourself during Back to School, or encourage students to write each other notes. Featuring astronauts, rockets, spaceships, planets, and stars, these cards bring an out-of-this-world vibe to your classroom that kids love. Each pack includes 30 pieces, each measuring 4" x 6".