It has passed certificate of Europe (CE).
It has passed the US FDA certification.
It is edible as a ice cube.
1. Improved Freezing - Compared to traditional circles, round stones have approximately 80% more surface area for better cooling.
2. Nature - It is made of 100% natural FDA approved granite stone without powder loss.
3. Design - Special design, 60% increase in surface area to make your drink longer lasting!
4. Multiple Function - Cool any cocktail without watering! Suitable for Scotch whisky, whisky, wine, beer, etc!
5. Unique Packing - Hand-crafted round stones in velvet tote bags for stylish and practical gifts.
9 Pcs Premium Granite Round Chilling Stones without Powder Loss Gray Whiskey Cooling Stone with Carry Bag Perfect for Whiskey or Any Other Beverages - B07DP2R1Q3