portable coffee brewer and tumbler in one. brews gourmet coffee in just 3 minutes. triple layer insulation keeps coffee hot for hours. micro-filter separates grounds from coffee - no overbrewed bitterness. no plastic pod or paper filter waste (please compost coffee grounds). brew, press go for the perfect cup of coffee every time. presse by bobble is a brewer and tumbler in one that makes gourmet coffee in just 3 minutes. simply fill with coffee grounds and hot water, wait 3 minutes, push down inner mug to filter, then grab and go. your morning coffee has never tasted so good.