When TerraCycle announced Loop last January, you couldn’t help but get excited.

Here was a back-to-basics solution to cutting down on single-use plastics where you shopped for some of your favorite brands like Häagen-Dazs ice cream or Hellmann’s Mayonaise, and it all comes in refillable packaging that you pay a deposit for. When finished, you return the container to TerraCycle so it can be cleaned and reused. Frankly, there aren’t a lot of sustainable options that could eliminate or lessen our reliance upon single-use plastics you can hang your hat on, despite every brand wanting to do something—anything— about it.

They called it bringing back the milkman. And that’s the central concept behind the premise.