The secret to making amazing iced coffee from home––without diluting the flavor? Don’t use ice! Zoku’s Iced Coffee Maker gets coffee from hot to ice cold in as little as five minutes. Just store the stainless steel mug in your freezer* and add it to the insulating sleeve when you’re ready to go. Pour your hot cup of joe into the mug, and watch the magic happen. This airtight travel mug also comes with a lid and straw that make it ideal for sipping on the go.