Description

A fun colour-changing mug: pour in a hot drink and the battery graphic 'charges up' green, then shows when your drink is cooling down. A great gift.

• Battery graphic reacts to heat
• Shows when drink cools
• 330 ml ceramic
• Gift box with foam insert

Specifications: Size: 11.5 x 9.7 x 7.5 cm

Hand wash recommended to preserve the heat-sensitive print.