Behind the Lines Heat Changing Ceramic Mug – Keep Calm

eep Calm Mug that changes wording when hot.
Normal message: “Keep calm you must be bold and of true grit”.
Message after heat change: “Keep calm you old git.

• Mug size: 11cm x 9cm
• Material: Ceramic
• Brand: Boxer
• Not dishwasher safe. Wipe clean only