The sterling silver hoop earrings are 18 mm, and they come with 12 pairs of interchangeable beaded dangles to slip onto the sterling hoops for an entire wardrobe of earring styles! A classic and versatile style. The dangles included are yellow, lime, navy, turquoise, emerald, orange, khaki, pink, purple, white, and blue (all in cat's eye fiberoptic beads) and white glass pearl. The hoops are a great size for everyday wear and also appropriate for young girls. We normally sell the sterling hoops for $9.99 and 3 pairs of dangles for an additional $9.99, but take advantage of this special price for Amazon - all 12 pairs of dangles & the sterling hoops for $28.99!