Nana Best Job Ever Porcelain Mug (Blue) Design: Mug has a aqua and green ombre effect with the message "NANA" embossed on the front and the message "The best job I've ever had is being a grandmother" on the back. Size: 4 3/4"H X 3" Opening and holds 18oz Material: Porcelain Dishwasher/Microwave safe, FDA approved