Beautiful, rounded olivine diabase stones with a diameter of 5-9 cm, perfect for saunas. They are highly resistant to thermal shock, have excellent heat capacity, and provide a pleasant, even heat. Thanks to their natural composition, they are completely safe for health.

• High durability: Withstand repeated heating and cooling without cracking.
• Excellent heat capacity: Heat up quickly and retain heat for a long time.
• Natural composition: Safe for health, do not contain any harmful substances.
• Ideal size: Optimal for most types of stoves.