925 silver material is hypoallergenic, non-irritating and durable, which can kill bacteria as well.Designed to fix earrings securely and bring you comfort even you are wearing heavy earrings. Perfect for bad piercings, stretched lobes and heavy earrings.Easy to use, simply sliding the earring post into it, just like any earring back.Compatible with most earrings posts. Specifications: Material: 925 Silver Color: Gold + Silver Qty: 2 Pairs / Set Weight: 4.5g Type: Earrings