Free shipping nationwide! No permission needed. Instant purchase OK! No price reductions. Please refrain from negotiating discounts. 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, making them less likely to fall out and suitable for those with 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 an earring back, and as a spare. ◇Size◇ Diameter: 5mm ◇Quantity◇ 4 pieces ◇Color◇ k18 Gold Prevents loss, doesn't fall out, hard to lose, won't come off, for women, for men, unisex, Christmas, graduation ceremony, entrance ceremony, 15 3.