Hello! These are polymer clay earrings, they're 100 % Handmade and they have an Hyppoalergenic Stud made of Plastic. All our earrings can be purchased as single earrings for those customers who need only 1 earring or prefer to mix and match different kinds, if you need 2 of the same earring, please select the option 'Set (pair)' Let us know if you have any doubt and we'll be pleased to help you :) There are two shipping options available: Standard and Certified. If you want your order to…