Thermos NCI1000SS4 Vacuum Insulated Stainless Steel Gourmet Coffee Press, 34-Ounce Thermos vacuum insulation technology  retains temperature to help preserve flavor and freshness of your beverages hot for 6 hours. Durable with 18/8 stainless steel interior and exterior. Has a stainless steel brewing mechanism brews without electricity so you can make coffee anywhere in 3 simple steps 1. Add ground coffee 2. Fill with hot water, then cover 3. Wait 4 minutes, then press plunger and enjoy Body stays cool to the touch with hot liquids 1. Add ground coffee 2. Fill with hot water, then cover 3. Wait 4 minutes, press plunger and enjoy