Made of ceramic. (Cannot be used in the oven, but can be used in the microwave and dishwasher) Diameter: approximately 7.6cm, Height: approximately 2.3cm Unused. Set of 6. Images 2 and 3 show my personal items. The items I will send are all packaged as shown in image 4. To fit in a compact size, the contents will be taken out for shipping. I have stock, so I can accommodate your desired number of pieces.