These awesome color-changing magic mugs are ideal for Birthdays, Mother's Day or Christmas. Choose from a wide range of designs, then personalize the back with your own special message. Grandma text can be changed to Nanna, Granny, Oma, or whatever you like.

Grandmothers are special woman in our lives and deserve a special one-of-a-kind gift that will bring a smile to their faces every day while they enjoy their cup of tea or coffee. When the mug cools it goes back to black. Four lines of text on the back and 18 characters per line. Dishwasher safe on gentle or eco cycle.

Mug size is 3.7" x 3.1"