18k gold- or silver-plated brass, crystals Push-back posts Diameter: 0.4" (1 cm) Nickel-free Brand new, never used Comes with dust bag and card 👑 Brand new and never used before. 👑 Comes from a smoke-free and pet-free home. 👑 15% discount if you buy three items at once. 👑 If you have any questions, please let me know. 👑 Fast shipping. 👑 Offer open