Earring sizes (each stud): 12mm = .47in (most popular size). 10mm = .39in. 8mm = .31in. The setting refers to the metal part of the earring. If a setting color is not selected, we will choose whatever looks best. Nickel & lead free zinc alloy, perfect for sensitive ears! Handmade in Texas! All items are made to order. By purchasing, you are agreeing to processing/shipping terms and policies. Like us on Facebook! Join our VIP Group! Follow us on Instagram! Wholesale available! Apply here!