Note about backing options: If you order on hooks or as a brooch, it will not come with the smaller circle on top All of our earrings include hypoallergenic hardware. If you have extra sensitive ears, you can upgrade to 925 sterling silver in the backing options. Let’s take Christmas, and make it… 80s!! The most incredible black holographic circles with neon green shamrocks on top! These lightweight earrings are 1.75” in diameter, not including the hypoallergenic posts. Earrings and brooches will be placed in a hard cardboard jewelry box and shipped in a padded mailer envelope to ensure safe travels. Perfect as a gift for yourself or a loved one.