Porcelain and brass gold-plated with fine gold adjustable ring. Metal certified nickel free and allergy free. 6 months guarantee. Weight: 3.5g. The porcelain is made and painted by hand which makes it unique. Paint and color may vary slightly from piece to piece. All our jewelry are designed in Toulouse (France) and then manufactured in our family workshop in Thailand. Jewel delivered in a box or pouch.