Keeps the temperature cold for a long time. The cold sake cooler with a double walled vacuum construction that prevents condensation and keeps the drink dry on the table. Thanks to its double walled vacuum construction, you can place a bottle chilled to your desired temperature inside and it will stay at the perfect drinking temperature for a long time without the need for ice. The stainless steel hairline accentuates the sophisticated look. We also recommend using it with a cold sake tumbler. The perfect size for a 720ml bottle.*The inner diameter of this product is approximately 90mm. It may not fit all 4-cup bottles.