This is earring backs made of silicone. This is a great accessory for DIY's earrings. It is the choice for fashion jewelry earrings, designed to prevent the loss of earrings. You can also use these earrings to make a special your friends and family. Features -Color:Transparent -Material:Silicone -Size(1):0.90X0.90X0.10cm/0.35X0.35X0.04in -Size(2):0.70X0.70X0.10cm/0.28X0.28X0.04in -Size(3):0.30X0.30X0.10cm/0.12X0.12X0.04in - Made of material, comfortable and durable. It is the choice for fashion jewelry earrings, designed to prevent the loss of earrings. - Easy to use. Can grip tightly and hold your earrings in place without loosening. - The Earring patches are easy to grasp, flexible clutch earring pad slide onto the posts easily. - Great replacement for lost earring backs. If you lose your earring backs, these can help you fix your earrings. - Help to fix your earrings, avoid losing earring backs. It is the choice for fashion jewelry earrings, designed to prevent the loss of earrings. Package list: earring backs