Description： ??? New and improved filter with fine mesh ??? Airtight, leakproof lid locks in freshness and flavor ??? Non-slip silicone handle ??? Fits in most refrigerator doors ??? Dishwasher safe ??? Material: PC ??? Seal lid airtight, shake well and store in refrigerator overnight or up to 36 hours to cold brew. ??? Occasionally twist open and swirl infuser. ??? Remove infuser when brewing is complete. ??? The result will be a brew of concentrated coffee. ??? The traditional hot brewing process releases undesirable acids and oils, resulting in bitter flavor and acidity that is intolerable to many. ??? Package Include: ??? 1 x Coffee Kettle