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Flat Stacks Food Storage Container Set (2 Rectangle Large)

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Discover the ease of an organized kitchen.

Our set of 2 large Flat Stacks is perfect for larger meals like a casserole or pot of soup and leftovers from family dinners. 

Flat Stacks collapse down while not in use to save up to 60% of space and help keep you organized. Flat Stacks also have matching colour-coded lids that can stay attached while stored. This will save you time searching for matching lids and containers.

Flat Stacks are 100% BPA and BPS-free, so it’s safe for you and your family. They’re microwave, dishwasher, and fridge/freezer safe making leftovers and cleanup a breeze. The top valve can be closed to seal contents inside the containers or opened to vent air out as well. This keeps food fresher for longer and is great for use in the microwave.

Flat Stacks Containers Product Description Infographic

Product Details

  • Collapsible for storage to save up to 60% storage space.
  • Matching colour-coded lids that can be stored with the matching containers to save time from looking for them.
  • Microwave, dishwasher, and fridge/freezer safe which means fewer dishes.
  • 100% BPA and BPS free so it’s safe for you and your loved ones.
  • Food-grade silicone makes it highly resistant to damage from varying temperatures (i.e. freezer, microwave).

Shipping and Satisfaction Infographic

Check out the reviews below from people just like you!


Product Dimensions:

Pink - 1500 ml | 23x16.3x7.4 cm | collapses to 3.4 cm

Green - 2000 ml | 25.8x18.3x7.4 cm | collapses to 3.4 cm

Product Weight:

296-350 g/.65-.77 lbs


2 year limited against manufacturer's defects.

Care & FAQ's

  • The seal on my lid comes out in the dishwasher.
    The seal in the lid does come out for cleaning purposes. If food was trapped under the seal and it was not removable, there would be a potential for mold to build. We would suggest removing the seal prior to placing the lids into the dishwasher to ensure they are not lost or damaged. When replacing the seal, ensure the seal is inserted on its narrowest side.
  • My lids seem to be warping?
    Always use the top rack of the dishwasher, if you choose not to hand wash this product. This will prevent the lid from becoming too hot and changing shape. Even though Flat Stacks are dishwasher safe, like any item, hand washing provides product life longevity.

Customer Reviews

Based on 5 reviews
Dannette McSwain
Great bowls

I love these bowls! They are better quality than a few others I have purchased. I hand wash them always and have had no problems with the lids.

Hi Dannette, thank you for great review about our Flat Stacks, we appreciate it!

Bonita Rampenthal
LG. Flat stacks

Absolutely Love these. I don't have to use 2 containers for leftover soups and chili anymore. They are large enough to hold it all in 1.

We appreciate you taking time leave a positive review about our Flat Stack Bonita! Happy cooking and storing!

Donna H
Really satisfied with purchase

These work well for leftovers and lunches, they are easy to clean and are great space saver. I have not used them in the microwave so I can't comment on that but I really like them!

Thank you Donna. We appreciate your great review! Enjoy your Flat Stacks.

Paul Campbell

I have bought these containers because we like cooking big meals and have leftovers (I have 3 teenagers that eat a lot). One of the lids had broken after a few months of use. The customer service mailed me a new one right away. I really appreciated it, and I now keep using them all the time ...

Great product

My wife bought those containers a while ago. Thought they were expensive at first but I have to say that I am not disappointed with them. We use them all the time : they are so convenient!
I replaced all my old containers and bought pretty much all the sizes of Flat Stacks. That's how much we like them!

Customer Reviews

Based on 3 reviews Write a review