Thank you very much for viewing our products from among many others. All petit I.V products use surgical stainless steel 316 for the main body and metal fittings of both earrings and ear studs. Those with metal allergies can use them with relative peace of mind. [Regarding Metal Fitting Changes] ・Ear studs → Earrings (+150 yen) ・Ear studs → Non-hole earrings (Free) Please let us know in the comment section if you would like to make a change. [Regarding Shipping] ・Shipping included (delivered by regular mail) ・Products will be wrapped in bubble wrap and shipped in a small box. ・It takes about 1 to 5 days to ship. *Please be sure to check the profile section before purchasing. [Search Words] #handmadeearrings #handmadeaccessories #adultcute #glamorousaccessories #elegantaccessories #swingingearrings #earringconversionavailable #adultaccessories #simple #osakahandmade #metalallergyfriendly #handmadeaccessoriesEve #petitEve