The Espro Travel Press is designed for the coffee drinker who expects to be able to brew a badass cup of coffee anytime, anywhere. With stainless steel construction, double filter design, and vacuum insulation, this travel press is ready for adventure. The Espro Travel Press functions as a coffee maker and as a temperature-retaining thermos. You can brew your coffee at base camp and break the seal on hot coffee up to 6 hours later. Extraction stops as soon as the press is pushed down, meaning you won't over-brew coffee while it is stored in the thermos). Holds 12 ounces. Hand washing recommended.