Plastic Free Kitchen: Zip Bag Alternatives

Are you looking for a non-plastic, non-toxic reusable plastic food storage bag? Try silicone.

nonplastic zip lock bag

Two sustainable kitchen rules I follow are 1) choose non-toxic materials and 2) go with reusable when possible.

Sustainable Food | Clean Eating | Non Toxic Kitchen

I’ve been pretty successful at finding convenient alternatives for just about everything.  Except for one: how to replace plastic zip lock style food storage bags. What can I use instead of plastic food storage bags?   I don’t want to have plastic in direct contact with my food, and plastic freezer and food storage bags aren’t reusable.

Sure, you can find many eco-friendly, reusable alternatives to plastic sandwich and snack bags. But I don’t eat sandwiches or snacks, so what I’m looking for is actual food storage bags.  I use glass or stainless steel containers or even sturdy linen wraps to store just about everything, but sometimes you just really prefer a locking plastic bag.  For one thing, you can squeeze the air out of them, which is very useful.

I have finally found a good alternative: food grade silicone.  Silicone is inert, doesn’t out gas or leach dioxin or lead or phthalates.  It’s non-toxic, safe for food, resists microbes, is easy to clean and stands up to hot and cold temperatures. They are not cheap, but if you take care of these bags they will last a very long time.

What I’m using now is Lékué silicone food storage bags.  Here’s what I like and dislike about them.

Pros

  • Bags are very sturdy and well made
  • Design allows the bag to stand upright on its own on the counter and in the fridge–which is more space efficient and neater–and also allows you to pour liquids into it easily
  • Seal works really well, zips easily and stays locked
  • Silicone is so versatile: it can be used in the freezer as well as in hot applications such as sous vide
  • Has measuring marks clearly labeled
  • No plastic, no toxins, no gmo ( found in many bioplastics )

Cons

  • Bags are expensive: you really have to think of them as an investment that will last for years
  • The same design that allows the bag to stand upright makes it harder to use for sous vide cooking
  • It takes more room to store the bags because they are bulky
  • The largest size I’ve found is the 1 liter, which is not big enough to use for marinating food or storing larger portions
silicone zip lock bag

The design of this silicon locking storage bag allows it to stand upright on the counter and in the fridge.

I believe these can be used in the microwave as well, though I don’t use a microwave so I’ve never tried it.  It would be great if a company would make a version that was flat, because sometimes it’s preferable, such as for sous vide cooking.  A quart size option would be really useful, as would a discount for purchasing, say, a four-pack.  I’m sure as the demand rises for non-plastic alternatives to zip lock style food storage bags, we’ll get more choice and a better price.

What non-toxic reusable alternatives have you found for food storage in your kitchen?

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SHOP: silicone food storage bags

IDEA: have you considered airtight stainless steel for food storage?

READ: Plastic-Free: How I Kicked the Plastic Habit and How You Can Too


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