Celebrate the unbreakable bond between brothers with this heat-reactive mug featuring Luffy & Sabo from One Piece! Add hot liquid and watch the design magically transform, revealing an epic full-color scene inspired by their powerful connection. Every morning, you can see your mug change dramatically when you pour your hot chocolate, your tea or your coffee. Luffy and Sabo both created a special attack to honor their brother Ace's memory, on this amazing One Piece mug by ABYstyle! Franchise: One Piece (Officially licensed) Design: Monkey D. Luffy & Sabo – changes with temperature Capacity: 16 oz / 460 ml