"I love you to Mars and back." To commemorate Perserverance landing on Mars in 2021, a romantic Mars card for the science lover, Mars enthusiast, or a great love so much more than the distance to the the moon and back. Blank inside. Cards are A2, 4.25 x 5.5. Printed in the U.S. on 100% recycled FSC paper. Envelopes are kraft, 100% recycled. Singles are packaged in a cello sleeve.