Funny Mug-12oz - Barry Wood Mug-Heat Activated Reveal. The magic begins when you pour in your hot coffee, tea, or cocoa. The mug’s sleek, black exterior instantly transforms, revealing a whimsical, fun design that was hidden in plain sight! You will see unforgettable expressions on your friends' faces when you pour hot water Barry Wood will quickly show up. It will surprise and entertain you every time you enjoy your favorite hot beverage High-Quality & Practical Crafted from premium ceramic with a full-wrap, vibrant print, the Fun Mug is both microwave and dishwasher safe for everyday convenience. It holds a standard 12oz of your favorite beverage, making it as functional as it is fun. It's the perfect conversation starter for your desk or kitchen. The design reappears with every hot drink and vanishes as the mug cools, making it a gift that's exciting time and time again