Featuring mailing and insert labels, these unique Box Cards are ready to personalize and drop in the mail. Each 3-d Greeting box diorama comes with an insert that reads “Happy Birthday”, "Congratulations" etc… on the inside of the lid. Box measures 2.25" by 3.5" approx. the contents and colors may vary slightly from the images as each are hand packed in USA. Can also be used as an invitation, cake topper possibilities endless! USPS tested. Sold Individually. Requires $1.30 postage.