Gremlins Trench Coat Flashing Horror Comedy Cult Classic Movie Film Ceramic Gift Coffee (Tea, Cocoa) 11 Oz. Mug Oh my! It's a flasher! Now you can flash everyone in your office and get away with it. Just add this one-of-a-kind Gremlins Flashing 11 oz. Mug to your desk, and watch the reactions! Hand wash only. Not dishwasher safe. Do not microwave. Measures approximately 5 inches x 5 inches x 4 inches. Ages 15 and up.