A unique, useful, and fun promotional gift. The outer wall of the mug appears black when cold then turns white when a hot beverage is added, revealing logo

 9.6 ( h )
325 ml
AB grade ceramic
supplied bulk packed

Ceramic care instructions

do not scratch print
avoid using strong detergents to clean
hand wash only
do not use a scourer or abrasive cloth to wash
do not soak in hot water for prolonged periods