MAC MACStacked & Elevated Lash Duo. Set includes: MACStack Mascara 12ml. MACStack Elevated Mascara 12ml. How to use: MACStack Mascara. Holding the wand horizontally, brush from roots to tips – wiggling the wand in a zigzag motion to coat each lash. MACStack Elevated Mascara. Holding the wand horizontally, brush from roots to tips, wiggling the wand in a zigzag motion to coat each lash. Benefits: 36-hour wear. Clump-resistant formula. 24g.