ROI was founded in 1647 and took inspiration from the water's unique, centuries-old history and the legend of Pegasus. Reinterpreting its classical bottle and naming it in a contemporary manner.
LONG LIVE YOU! The healing qualities of the world's most magnesium-rich water, springing from the depths of Rogaška Slatina, has been known for centuries. Enjoyed by kings and queens, ROI offers you a natural antidote to your rich lifestyle