Product size and shape varies in each item due to manufacturing process. Appearance of color glaze unevenness varies in each item. Some products may take on scorched-like texture on the surface. It is an unique glaze effect called "yo-hen", unintended color transformation show on the ceramic and porcelain after firing. [Lid] Cork Made in China Do not use in a microwave or dishwasher. Do not place near open flames. Be aware that the lid may become stained with the odour or colour of some foodstuffs. Do not hold by the lid when carrying, as the container might fall and break.