These are dazzling earrings made with iridescent acrylic. The iridescent is color-shifting and a bit translucent. They are not solely blue despite the way they look in photos sometimes. The size of the heart charm is: 1.1 x 1.2 inches, which is a little bigger than a quarter. These are made and designed by Jenny Shlemon. These earrings come on a medium sized surgical steel hoop that comes in gold or steel. The hoops are nickel free and great for sensitive ears.