About earrings: [Size] About 3 cm long and 2 cm wide. "Material" pottery, alloy, color retention for one year, ear hook 925 sterling silver, sterling silver gold plating, are allergy-resistant, interchangeable ear clip. Regarding maintenance: [Maintenance] Do not touch water, chemicals, cosmetics and perfumes. Keep them sealed when not worn to prevent oxidation. The oxidation of ear hook can be wiped with silver cloth, and the oxidation of alloy can be wiped with toothpaste to brighten luster. [Note] Hand-made, there are slight differences between products, which is inevitable.