Once Upon a Time Hook Mystery Is My Strong Suit Travel Mug If, like Hook, mystery is your strong suit, you might want to share that little secret with the world by toting your beverages in this Once Upon a Time Hook Mystery Is My Strong Suit Travel Mug. It features Colin O'Donoghue's Captain Killian 'Hook' Jones from Once Upon a Time and the words 'Mystery Is My Strong Suit.' Hand wash only. Not dishwasher safe. Do not microwave. Measures 6 3/4-inches tall. Ages 13 and up.