The actor and 'strongest man in the world' Hafthór Bjornsson, known for his role as 'The Mountain' (the mountain) in Game of Thrones, stars in a commercial for carbonated bottled water “HeavyBubbles”, who has dumbbell-shaped bottles.

The bottles come in three sizes: 2, 5 and 10 kilos. According to their page on Facebook, for the HeavyBubbles invested thousands of hours of research to improve hydration and endurance. The dumbbell-shaped bottle can also be used as a normal rigid rotor for gymnastics.