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Durbl
Starter Set (5-Piece)
Description
Starter Your Waste-Free Journey!
The reusable silicone Durbl Starter Set is your entryway into the Durbl community. Help you make swaps for better products that are safer for the environment and for you — all at a cost you can't pass up. You'll own three of our sizes: snack, sandwich, and half-gallon. The Starter Set is the perfect introduction to a waste-free journey.
Bundle Content 2 x Snack Bag: 6.5" x 4" 2 x Sandwich: 6.5" x 5.5" 1 x Half-Gallon Bag: 9.6” x 8.3” x 2.8'', 67 fl oz / 2000 ml
Material - 100% food-grade platinum silicone - Free from harmful chemicals. No BPA, lead, PVC, latex, phthalates
Practical Design - Extra thick material provides superior resistance to tearing and wear - Seal technology prevents spillage and leakage - Temperature resistant (-80°F to 425°F): microwave, dishwasher, freezer safe - Flexible opening for easy cleaning
Versatility - Kitchen storage, meal prep - Organize personal care items for travel - Freezer and high-heat safe, such as sous vide
Life in the City, Lunch on the Go
As a full-time editor living in a bustling city, my days are packed with subway commutes, endless emails, and back-to-back deadlines. Preparing my own light meals became my way to stay healthy and save time.
The problem? Most lunch boxes were either too heavy, too bulky, or simply not practical for carrying around in my work bag. That changed when I discovered the Durbl Fold-Up Container — a collapsible silicone lunch box designed for urban professionals like me.
My Everyday Lunch Routine
Most days, I pack a light Caesar salad, a sandwich, or a colorful fruit bowl. Durbl’s platinum silicone container keeps everything fresh and sealed — no spills in my laptop bag.
The best part comes after lunch: with a simple press, the container collapses flat, leaving me extra room in my bag. For someone who already carries a laptop, notebooks, and maybe a book or two, that makes a huge difference.
Even my colleagues noticed. “Where did you get that foldable lunch box?” they asked. It quickly became a conversation starter at the office.
Beyond the Office — Evenings & Weekends
Durbl isn’t just for lunch. Some evenings, I take leftovers back home. Since the container is microwave, freezer, and dishwasher safe, I don’t need to transfer food to another dish — less hassle, more convenience.
On weekends, I pack snacks or a full meal for a picnic or a long writing session at a café. The container is light, portable, and eco-friendly — a small but meaningful step toward reducing single-use plastic.
Which Size Fits Your Lifestyle?
Durbl fold-up containers come in four sizes — designed to match different appetites and food types.
Size
Approx. Cups
Best For
Lifestyle Fit
Folded Height
400 ml
~1.7 cups
Fruit, yogurt with granola, snacks
Afternoon bites, kids’ snacks
Ultra-compact
600 ml
~2.5 cups
Caesar salad, half sandwich + fruit
Light office lunch
Slim fit in tote/laptop bag
900 ml
~3.8 cups
Grain bowls, pasta, full salad
Office lunch + energy boost
Compact
1200 ml (Mega)
~5.1 cups
Full poke bowl, large pasta, meal prep
Bigger appetite / all-day meal
Folds down to ~1.4" (3.6 cm)
*Folded height ensures easy storage after meals.
More Uses, Less Waste
Durbl isn’t just a lunch box — it’s a lifestyle choice.
Convenience: Save space after meals.
Health: Encourage homemade, balanced meals.
Sustainability: Durable, reusable, eco-friendly.
For me, it’s a small daily ritual that makes city life a little easier, a little healthier, and a lot more organized.
Ready to find your perfect lunch companion?
Shop Durbl Fold-Up Containers — available in 400ml, 600ml, 900ml, and 1200ml sizes.
Why Test the Capacity?
When shopping for a silicone lunch box or collapsible container, one big question always comes up:“Does the labeled 600ml actually hold 600ml, or will it overflow halfway?”
Too often we’ve seen containers that look good on paper but fail in real life. So, to find out the truth, I decided to run a simple but practical capacity test on the Durbl 600ml silicone lunch box.
The Test: Two Bottles of Coca-Cola
For this experiment, I used something everyone knows: two 300ml bottles of Coca-Cola.
First bottle (300ml): the container filled up to about halfway.
Second bottle (another 300ml): the container reached the top, snug and exact.
Double-checked with a measuring cup: total capacity matched perfectly — no exaggeration, no shortfall.
The result: the Durbl 600ml collapsible container truly equals two bottles of Coke.
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Everyday Use: Perfect for Office Lunch & Small Kitchens
The numbers tell the truth, but real-life use makes it even better:
Foldable food container: Made of flexible silicone, it collapses flat after use, saving space in your bag or kitchen.
Lightweight & durable: Much lighter than glass, yet sturdy enough for daily carry.
Ideal for light meals: The 600ml size is just right for a fresh salad or a hearty sandwich, perfect for office lunches or meal prep.
Why Choose Durbl?
Real capacity → Backed by a hands-on capacity test, 600ml means exactly 600ml.
Eco-friendly & safe → Made from premium platinum-grade silicone, reusable and food-safe.
Space-saving design → Tailor-made for busy professionals and small kitchens.
Versatile → Great for office lunches, gym meals, or storing leftovers at home.
Final Takeaway
This “Coke experiment” proves it once and for all — the Durbl collapsible silicone lunch box delivers exactly the capacity it promises.
If you’ve been searching for a foldable food container that’s lightweight, space-saving, and perfect for salads or sandwiches, Durbl is the trustworthy choice.
Two bottles of Coke = one container. Simple, reliable, and just right for your daily routine.
What is BPA? Why is it necessary, and why must we pay attention to it? Let's unveil the mystery of BPA together and see how it plays a vital role unconsciously and how we can respond.
I had the kind with a plastic slider on the top - I hated using them & they didn't seal well and things got freezer burn quickly. These seem to seal much better and are much easier to use, and the silicone being really clear so you can see the contents easily is very helpful too. You can fit a lot more in them than you think, I've been using the snack size more than I thought I would. I wish they would offer the quart size individually - I don't understand why you can get every size except that one. Definitely recommend them
P
Prudy Marshall
Easy to use, clean. Really happy to be protecting the environment & my family's health
K
Kathryn Fluharty
Best Reusable Bags I've Purchased
I've purchased reusable bags in the past, but they never seemed to actually stay closed, let alone keep their contents secure. When my bags got delivered, the first thing I did was fill them with (soapy) water and seal them up before shaking them around. Nothing came out! Since then I've used them for storing snacks, frozen produce, and bread (frozen or thawed).
K
Kathryn Fluharty
So far so good!
So far very I'm very pleased with these bags. They're easier to clean than other reusable bags I've tried, and they've held up well to storing in the fridge, freezer, and to go. The Durbl team was also able to correct an issue with my delivery within hours of me contacting them! Definitely plan to purchase more.
I had the kind with a plastic slider on the top - I hated using them & they didn't seal well and things got freezer burn quickly. These seem to seal much better and are much easier to use, and the silicone being really clear so you can see the contents easily is very helpful too. You can fit a lot more in them than you think, I've been using the snack size more than I thought I would. I wish they would offer the quart size individually - I don't understand why you can get every size except that one. Definitely recommend them
These are great, but I wish they would offer more buying options. They only come in a 3-pack and they don't offer just the size you want individually. I am loving using these for work lunches and that they are safe to heat up in the microwave. They seal well and are heavy duty enough to be sturdy, but don't feel heavy to cart around.
I bought these to stop buying 1-time use Zip-Loc bags. They aren't quite as convenient to use or store, but overall MUCH better. I will buy more. I also bought another top brand but I am sticking with Durbl.