10.5mm Olive Green Rivoli Stud Earrings. For an idea of size refer to the ear pic above. Posts…solid hypo-allergenic surgical steel. Backs…Large surgical steel & plastic backs Earrings come to you carded and, in my cotton, filled gold embossed gift boxes. From our different pics you can see how the same earring can appear different colors in different lighting conditions & when simply viewed at different angles. These ever-changing color effects are what make crystals such interesting & captivating jewelry pieces. SEE THE REST OF OUR JEWELRY COLLECTION AT Olive Green 10.5mm Rivoli Rhinestone Stud Earrings, Crystal Studs, I Make These Earrings With Premium Sparkling Crystals