This dainty heart earrings are adorable and lightweight. They are made out of sterling silver and work hardened for durability. 9mm post length and 20 gauge posts will fit all piercing sizes. Please note items are handmade and slight variations could occur, adding to each pieces uniqueness and character. ♥ Made of .925 sterling silver ♥ Work hardened for added durability ♥ Made in the U.S.A ♥ Processing time 1-2 days.