The cast of The Big Bang Theory are on your travel mug - and they're looking more super than ever! The Big Bang Theory Cast Superheroes Travel Mug features Raj, Penny, Howard, Bernadette, Leonard, Amy, and Sheldon all dressed up to look like superheroes. It's just what they've always wanted! Holds up to 16 ounces of liquid. Hand wash only. Not dishwasher safe.