Stack your lashes to new heights for the holidays with a giftable, limited-edition duo of best-selling, full-sized M A CStack Mascara and M A CStack Legit Lift Primer. Stack on volume, length, lift and all-day hold with our god-fro-lashes, oil-based primer - then stack on infinite layers of volume and length with our viral mascara featuring the Superstack Mega Brush Ready to gift in holiday-exclusive packaging at a M A Cnificent value.