Show off your love of the Light and Dark sides of the Force with this interesting Star Wars mug from Underground Toys!
Mug reveals two clashing lightsabers when heated!
Fans of Star Wars will love this generously-sized 20-ounce, black ceramic mug.
Green and red lightsaber design mysteriously appears and disappears with the temperature of the beverage.
Hand-wash only and do not microwave.
Perfect for using around the house, at the office, at parties, and more!
Officially licensed Disney merchandise!