This heat-activated Magic Frisian Mug has a shiny black finish when the mug is cold, and it reveals your custom-printed designs when in touch with hot liquids. Order this surprising mug for yourself, or start selling Black Glossy Magic Mugs with your designs online.
– Black glossy finish when cold
– Reveals the print when exposed to hot liquids
– Dimensions: height – 3.54” (8.9 cm), diameter – 3.35″ (8.5 cm)