JewelrieShop Stainless Steel Stud Earrings Set for Women, Hypoallergenic Nickel-free Piercing Cubic Zirconia Stud Earrings 5 Pairs 3-7mm Package: 5 Pairs (5 different sizes, each size include 2 same pieces), 6 Pairs (6 different sizes, each size include 2 same pieces) or 10 Pieces( 2 colors, each colors has 5 different sizes). So if you want to wear single side for cool, you could choose the 10 pieces sets. If you want to wear the symmetric, you could choose the 5 pairs or 6 pairs set. 6 Prong, CZ Size: 3mm / 0.1 carats, 4mm / 0.25 carats, 5mm / 0.40carats, 6mm / 0.70carats, 7mm / 1.25carats, 8mm / 1.75carats ( similar to the size carats of diamond earrings ) Round or Square CZ Design, White Black Pink Colors. Hypoallergenic Stainless-steel Materials Type, with Lead-free / Nickel-free Plated for Gold and Black Pin Colors. Secure colors, no faded easily Unisex and various sets and designs for your different needs. For girls, women, men, boys on any occasions at any time Good After-sale Customers Services, 90-Day Exchange or Money refund Guarantee. Fast Shipping Service by FBA