Cloisonné enamel with a whiff of something else. Chinese opium boxes all from a while back.

Opium boxes. 18th and 19th c.
Opium boxes. 18th and 19th c. Chinese. Cloisonné enamel. Enameled inside and out with floral and other motifs. Image © Lauritz Auctions, Stockholm. Fair use license. via https://www.lauritz.com/en/auction/a-collection-of-opium-boxes-cloisonne-china-4/i4762118/#
Octangular opium box and furnace holder. Antique.
Octangular opium box and furnace holder. Antique. Cloisonné enamel. Image © 2016 / GALERIE LAMY ORIENTAL FINE ARTS BRUSSELS. Fair use license. via https://www.galerielamy.com/octangular-cloisonne-enamel-opium-box-furnace-holder.html
Opium boxes. Late Qing dynasty.
Opium boxes. Late Qing dynasty. Cloisonné enamel. Image © 2019 Heritage Auctions. Fair use license. via https://fineart.ha.com/itm/asian/chinese/three-chinese-cloisonne-and-enameled-opium-boxes-late-qing-dynasty3-1-8-h-x-3-w-x-1-5-8-d-inches-79-x-76-x-41-cm-la-total-3/a/5334-78161.s
Opium drost container. 19th c.
Opium drost container. 19th c. Cloisonné enamel. Image © 2016 / GALERIE LAMY ORIENTAL FINE ARTS BRUSSELS. Fair use license. via https://www.galerielamy.com/cloisonne-opium-drost-container.html