Students will proudly wear these color badges all day long to celebrate this milestone. Parents will enjoy seeing their child come home with the badge and be excited to hear about their child's special day at school. This colorful Happy Birthday badge is a perfect way to help students feel special on their big day! Playful patterns and lettering combine with fun confetti to give this badge a festive look. 36 adhesive badges per package. Approximately 3" x 3½". Acid-free.