3D Pop Up 80th Birthday Card 3D Pop Up 80th Birthday Card This unique elasticated 3D card automatically jumps to life when removed from its envelope to make an unforgettable birthday card that can be treasured for years to come! Card can be kept flat and opened when required for the memorable occasion and many times after as to close you simply gently squeeze the yellow dots together to close. Write your message in the panel provided and place in the envelope for mailing. Cover Wording... Happy 80th Birthday. Size 140mm(5.6") x 210mm(8.4") Supplied with a decorative striped envelope.