It's no secret why this Mysterious Mask Flute is the perfect custom glassware favor for your Masquerade, Mardi Gras, or Phantom of the Opera Prom or Homecoming theme. The 6 oz. clear glass flute features a black stem to give it a dark and moody vibe and a rhinestone-studded mask charm that lends an air of mystery. Add your custom one-color imprint to the bowl of the flute to customize it to match your theme.