Stack on infinite layers of volume + length with MACStack Mascara now in an on-the-go size! This never-before-seen continuously buildable, clump-resistant formula gives you customizable gravity-defying volume from natural to next-level, along with instant lash lift and length. Mirror your unique mood and reflect your individuality with the Superstack Mega Brush, which delivers instant volume at first swipe and is ideal for longer or upper lashes. Magnify your eyes and enlarge your lashes with this major mascara must-have!