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Our round set of Flat Stacks consists of 4 containers of different sizes from small to large. They're great for soups, salads and breakfast on the go. Save space and money with these innovative food storage containers.

Key Features:
  • BPA & BPS Free
  • Save 60% of storage space
  • Press to seal or pullout top valve to vent air out
  • Keeps food fresher for longer

Flat Stacks space-saving collapsible storage containers save on valuable kitchen space! These versatile and colourful containers collapse flat for easy stacking when not in use. Store leftovers in the fridge, freezer, or pantry, and when the leftovers disappear, simply collapse the container down after cleaning for convenient storage in a cupboard or drawer.

These handy containers SAVE up to 60% of space, are microwave, dishwasher, and fridge/freezer safe as they are 100% BPA & BPS Free (100% safe for your family). They also come with matching valves on the lids so you are not left searching for a match in your cupboards.

Say goodbye to disorganized, messy cupboards and have a stress-free kitchen with Flat Stacks.


Product Dimensions:

Yellow - 350 ml | 12x6.4 cm | collapses to 2.6 cm

Purple  - 540ml | 14x6.4 cm | collapses to 2.6 cm

Green - 800 ml | 16x6.4 cm | collapses to 2.6 cm

Red - 1200 ml | 18x7.4 cm | collapses to 3.4 cm

Product Weight:

114-228 g/.25-.50 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 10 reviews
Sherrill O’Neil
Love these containers!

We have bought so many of these containers and also for our kids and families. They are just so great! But now I am looking for the lunch containers that have sections in them. Are they no longer available?

Thank you Sherrill for the great review! Unfortunately, we have discontinued the lunch containers for the foreseeable future, but I will share your feedback with our product development team for future considerations :)

Kathy Obray

I really like them all

Thank you Kathy for leaving us a positive review. We are so happy you like the Flat Stacks, they are a great addition to any kitchen!

Mary Conklen

Love this oroduct

Jeffrey Hempel
Quality - and they are so darn cute!

Excellent quality. The bowls open and collapse without struggle and the lids are click tight. These go well with the collapsable rectangular storage containers. Both of these sets will fit into a basket smaller than a shoe box - excellent for small storage areas (like and RV :0) )

Thank you Jeffrey! We're so glad you're getting such great use out of your Flat Stacks! And yes, we agree, they are darn cute ;). Have a great week ahead.

Cynthia Bruns

I never received the square ones I ordered!

Hi Cynthia -- thank you for leaving a five-star review. Upon investigation of your order, unfortunately we received your order for 2 sets of the round Flat Stacks; however, did not receive an order for a square set. We have reached out to you via email to see how we may further assist you. Thank you again and have a great week!

Customer Reviews

Based on 5 reviews Write a review