Free shipping nationwide! No permission needed. Instant purchase OK! I will not lower the price, so please refrain from price negotiations. This is a must-have item for those who often lose their "earring backs." These earring backs are made with a double-lock design using silicone and 18k gold to prevent them from falling off and are less likely to cause metal allergies. They are essential items for the beach or pool, where lost earrings are impossible to find. They can also be used for cartilage earrings. Recommended for when you lose your earring backs, and as a spare. ◇Size◇ Diameter 5mm ◇Quantity◇ 4 pieces ◇Color◇ k18 Gold Prevents loss, doesn't fall off, hard to lose, doesn't come off, for women, for men, unisex, Christmas, graduation ceremony, entrance ceremony 15 2.