This is a mug that changes color depending on the temperature of the drink! As you can see in the third photo, there's a crease in the box, but it's new and unused! Here's an AI-generated description: Banksy's shredder-shaped mug, a unique design perfect for your collection. - Product Name: Banksy Mug - Size: 7.7cm diameter, 9cm height - Made in: Japan - Design: Shredder Thank you for looking.