Take your java on the go with the bobble Presse Portable Coffee Brewer. This all in one system has everything you need to get the perfect cup. The Presse Brewer has triple layer insulation to keep your coffee hot for hours and hours. In addition, it has a micro-filter to keep the grounds separate. This allows the coffee to brew properly and not develop an overbrewed bitter flavor. Best of all, the Presse Brewer leaves you with no plastic pod or filter waste to throw away. Simply load in your medium-course coffee grounds and add hot water. This impressive bottle does the rest. In just three minutes, you get piping hot coffee just as you like it with flavor to knock your socks off.