Earring Posts and Backs, plastic lightweight 100 pcs Hypoallergenic earring supplies,anti allergy (5mm) Small & very lightweight plastic Earring posts & backs Use for lightweight earring designs, kids, crafts 100pc (50pair) earring+backs. (Glue on your jewelry) Use for new jewelry or to replace other earring posts Clear findings can be tolerated by just about anyone. Very hypoallergenic