Description
When you pour in a hot drink – like tea, coffee, or hot water – the heat-sensitive layer clears to reveal “UNREDACTED” underneath. As the mug cools down, it changes back to black.
When you pour in a hot drink – like tea, coffee, or hot water – the heat-sensitive layer clears to reveal “UNREDACTED” underneath. As the mug cools down, it changes back to black.