Brew, press and go for the perfect cup of coffee every time! This 13 oz one cup coffee brewer by bobble combines immersion brewing and reverse flow filtration. The micro-filter prevents overbrewed bitterness and grit while the three-wall insulation keeps your coffee hot for hours! No plastic pods and paper filter waste is generated by using this product. The item itself is made of food-grade 304 stainless steel and food-grade, high temperate silicone and is top rack dishwasher safe.