These playful studs are hand formed in soft wax and then cast into solid sterling silver. Each pair is unique and ever so slightly mismatched. These studs measure just about 3/4" in diameter. Sterling silver posts and backs. Due to the individually handmade nature of these earrings, photos provided are examples only. This listing is for one pair of knot earrings of just about this size/shape. Your individual earrings will differ slightly.