Frank Green’s 3-in-1 Is the Only Cup You Need Posted on November 17, 2022 By Charlielikes Is this the ideal reusable cup? We think so. A clever lid, drinking straw, sensible size, and insulation make for a heady caffeine-fueled combo. Tech Tags:'is, ‘cup, ‘only, ‘you, 3-in-1, frank, greens’,, need?, tech, technology, the