Material: Lead-free crystalColor: cobalt blue, caramelHandmadeLike the inimitable French headgear, these lidded vessels are remarkable for their elegant, effortless simplicity. Lids crafted from silky-looking brass close over softly tinted glass containers--in two sizes--like the tasteful toppers of the Basques people, who originated the beret. The cover accessory should be whipped off with a dry cotton cloth Do not use abrasive cleaning agents or cleaning products containing solvents The metal part should not be stratched with hard objects and must be protected from hard impact Hand wash is recommended. When the metal part gets wet, it must be dried out without leaving wet for a long time.