These disc pads are silicone , which is and can be stored for a long for time. Simple for fixing earrings: These discs can hold any earrings, even heavy earrings. Easy to use: The use of these earring discs not only makes the earrings stable, but also the wearer can continue to use the earrings. They are great gifts for your family. Best quality. Our Brand is dedicated to provide high standard products，we have confidence in our products and provide after sale support,if you have products quality issues, please contact us.