Santa Heat Sensitive Magic colour changing Sister Birthday Ceramic Mug(350 ml), Black

Function:When any hot liquid injected into the cup , the colour of Mug's outer wall will gradually changes in to shown quotes; And when the cup slowly cooling, will get back to its original form i.e full black coloured Mug.A colour changing mug gift is a personal gift we create for you, so no matter what, your gift is always special!If you're struggling to find gifts for that "Hard to shop for" person, try this gift. And it surprise your loved ones .Your gift will have meaning and will become a personal treasure to keep and share with all for years to come.Note: Hand-wash Only. Do not microwave. Limit exposure to direct sunlight. Dishwasher weakens heat sensitivity ,may destroy the color-changing parts of the mug.