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 251 reviews
92%
(231)
6%
(16)
0%
(1)
0%
(1)
1%
(2)
J
Jo-Anne Blake
Perfect sandwich storage!!

I love all my flat stacks!! (round-square- and rectangular!
My storage is limited, so they are awesome..
I haven’t tried my oven ones yet, but it will be soon
Thanks for a great product…I have bought some for gifts..💕💜🇨🇦

J
Jillian

Love these. Great for the motorhome.

M
Marie

Lovely colours and good range of sizes. Just bought a 2nd lot to give to my daughter in law for her birthday. My son's family does a lot of travelling for holidays and these will be very handy.

S
Sandra Sagara
Flat Stacks

We love Flat Stacks containers - they are versatile, durable, leakproof, and easy to store. We purchased a set originally at a Christmas show and sale event, and got a lot of use out of them. We wish we could find them in stores for purchase.

C
Cathj
Practical & pretty

Love the square set, good sizes, fits nicely in the fridge & freezer. And love the shades of green 💚

A
Amanda Davies
Amazing product

I cannot rave enough about these containers! I tell everyone about them and show pictures of them stacked in my kitchen. They hold anything and everything and their cookware is amazing, everyone should have these and worn afterpay onboard you can! Such a great product and if you need help The staff jump typify onto it. Thank you for producing such a great product. I'm addicted!!!



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★★★★★ Reviews

Let customers speak for us

3908 reviews
98%
(3819)
6%
(216)
1%
(58)
1%
(34)
2%
(66)
excellent

just what my wife wanted!

Arrived promptly. Good prodct but felt it was quite expesive

Great size, love it, can use it from mix to oven to fridge.

Perfect sandwich storage!!

I love all my flat stacks!! (round-square- and rectangular!
My storage is limited, so they are awesome..
I haven’t tried my oven ones yet, but it will be soon
Thanks for a great product…I have bought some for gifts..💕💜🇨🇦

Love these. Great for the motorhome.

Great products

Awesome containers