These promotional ceramic mugs are made from tough durable ceramic materials making them all the more cost effective. They can be used as giveaways, thank you gifts and more. When you have a tight budget, custom ceramic mugs will come to the rescue. These promotional ceramic mugs are made from tough durable ceramic materials making them all the more cost effective. They can be used as giveaways, thank you gifts and more. When you have a tight budget, custom ceramic mugs will come to the rescue. 3.14″x3.14″x3.74″.