Costco supermarket has announced a huge deal for tequila lovers, just in time for the festive season.

The retail group is selling 4L bottles of Tequila Tromba’s Tequila Blanco in its licensed stores nationally.

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Perfect for entertaining a big crowd, a single bottle of supersized tequila can make 66 margaritas for less than $6 each.

For those wanting to up the ante, the large format bottle is also the perfect addition to any slushie machine. Frozen margs anyone?

The 4L bottles of Tequila Tromba are available now at all licensed Costco stores nationally for RRP $369.99.