All items are made with 92.5% sterling silver stud posts. There would be found tiny little bubbles in the products because of the characteristics of resin, the main material. This cannot be the reason of cancel. You are entitled to a replacement or refund for the items if they are defective. If you would like to exchange or refund the product, please contact within 7 days from you received it. *For defective item -> free shipping fee All of BTEN are handcrafted pieces.So it takes some time to be produced and every earring is made as soon as it is ordered. Points to keep in mind while storing the accessories. Avoid extreme temperature and humidity. Don't store your jewelry in a drafty cold closet or a hot and stuffy attic. Store your jewelry at room temperature out of direct sunlight. Store it in a clean location. If you use jewelry box, vacuum out your jewelry box, and be sure the environment is clean, dry, and smelling fresh. All accessories are listed on official Instagram (instagram.com/bten.official). Earrings being put its name in parenthesis are on sale To buy the items without name, please contact us by DM, email or Kakaotalk message. #summary Official Instagram = Online Catalog Products with name -> available Products without name -> not on sale officially. To buy them, contact individually by above-mentioned ways