Birthday Mailbox Pop-Up Card – Back-to-School & Fall Surprise Greeting

Send a little happy mail that feels like the start of something new. 🍂📬This interactive mailbox card is perfect for back-to-school encouragement, fall birthdays, or just-because notes that make someone’s day. Die-cut and full of charm, the card opens like a mailbox to reveal a tiny surprise delivery—complete with letters, greenery, and gift illustrations. Finished with deep blue foil and paired with a kraft envelope, it’s as cozy and clever as snail mail gets. 🎁 PERFECT FOR• Back-to-school encouragement for students, teachers, or friends• Fall birthdays, care packages, and cozy snail mail surprises• Just-because notes that brighten a long study day• Small gifts under $10 for stationery lovers ✨ CONTENT + DETAILS• Front Message: “Birthday Mail” + “Cheers” flag• Inside: Blank for your personal message• Interactive mailbox pop-up with die-cut details• Printed in full color with foil accents• Includes kraft paper envelope• Size: 5″ x 3.5″ – easy to mail or tuck into a gift 🛒 Add t