Square Set > 350, 540, 800 & 1200 ml

Our square set contains the 4 most useful sizes, perfect for everything from packed lunches to leftovers and baby-food to cold-cuts. 

Here's why you'll love our square set:

✅  Ideal for all things square like sandwiches, cheese slices & brownies.

✅  Perfect as a lunch box!

✅  They look great in your kitchen and are still colour-coded so you can easily match the lids with the bases.

Dimensions:

  1. 350 ml | 11.3 x 11.3 x 6.4cm | collapses to 2.8cm | 110g
  2. 540ml | 13.2 x 13.2 x 6.4cm | collapses to 2.8cm | 142g
  3. 800 ml | 15.2 x 15.2 x 6.9cm | collapses to 3.0cm | 186g
  4. 1200 ml | 17.2 x 17.2 x 7.4cm | collapses to 3.2cm | 232g

Customer Reviews

Based on 123 reviews
93%
(114)
7%
(8)
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(1)
A
Andrea
Flat Stax Mixed Sizes

I love the versatility from fridge to the microwave. They are also made from a very hygienic product and clean up so easily! Storage space saved is amazing ......
I will definitely be buying more! Flat Stax are the kitchen dream ❤️

W
Wendy Dickman
Should have purchased sooner

These are the best. After years of putting up with cluttered caravan drawers I bit the bullet and purchased some Flat Stacks. Best thing I’ve done. I love them.

P
Pamela Dick
Square Flat Stacks

Love these flat stacks - I now have 2 sets of these and 2 sets of the rectangular ones. Use them all the time.

C
Charmaine Clay Clay

Square Set > 350, 540, 800 & 1200 ml

H
Helen Casey

Third order with Flat Stacks and very pleased with the quality and products.Havent received 3rd order dated March 22nd 2022.

G
GillyH

haven't received these yet so no review



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1884 reviews
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(8)

I would review them but I haven’t received them yet.

Flat Stax Mixed Sizes

I love the versatility from fridge to the microwave. They are also made from a very hygienic product and clean up so easily! Storage space saved is amazing ......
I will definitely be buying more! Flat Stax are the kitchen dream ❤️

Wow

So glad I found these containers, use them all the time. Easy colour coded lids to bottoms, and plenty of room in the cupboard.

Family Pack + FREE Large Bowl

Space saver

Fantastic, so much room in my cuboards now. I will be buying more in the future. Thankyou 😊