Cold brew does taste great longer than hot brew does, but it still has a “best by” date of sorts. Definitely store it in the fridge and it will last 5 days. Don’t store it at room temperature! This will make it go stale more quickly, and it could grow mold on the surface if the room is warm.
Here's our full recipe for brewing with Driftaway cold brew bags: https://driftaway.coffee/makingcoldbrew/
And you can buy Driftaway cold brew here: https://driftaway.coffee/coffees/