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Silicone Stasher Sandwich Bag

(45 customer reviews)

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  • Phthalate Free
  • BPA Free
  • Vegan
  • Sustainable Lifestyle
  • B Corp
  • Recycled Packaging

Phthalate Free

Phthalates are found in toys, electronics, personal care products, plastic wraps, containers, and more. These petroleum based chemicals help soften plastics, and bind fragrances to perfumes, deodorants, creams, and other personal care products. Phthalates are are not chemically bound, meaning they can easily get released into the air, water, or your body, just by using the products as intended. Phthalates have been found to disrupt the endocrine system, which can cause reproductive damage, hormonal imbalances, infertility, mood changes, metabolism changes, and more.

BPA Free

Products that are labeled as BPA free do not contain Bisphenol A, a chemical commonly found in plastic products. Studies on BPA exposure have shown that high levels of BPA could lead to hormone disruption, effects on behavior and brain function, reproductive problems, breast cancer, heart disease, infertility, and more.


This product does not contain any animal products or byproducts, and has not been tested on animals.

Sustainable Lifestyle

This product helps promote a more sustainable lifestyle. Whether it encourages re-use and the movement away from disposable products, or it promotes sustainable actions like recycling and composting, this product can help you lower your environmental footprint.

B Corp

The B Lab is a third-party, non-profit organization that certifies companies as socially and environmentally responsible. B Corps are businesses that go above and beyond traditional business models and aim to create positive change in the world through their practices. These companies must meet rigorous transparency and accountablity standards, while doing what is best for people and the environment.

Recycled Packaging

This product is packaged or shipped in materials that contain recycled content.

Treat your sandwich right! Designed to be reusable, washable, and totally sustainable, the Silicone Sandwich Bag by Stasher is the perfect size for lunches on-the-go. Stasher is the world’s first–and only–self-sealing, airtight, non-plastic bag to go against wasteful single-use plastic bags. Best of all, it can do so much more than plastic can–use these silicone bags in the freezer, microwave, oven, dishwasher, or even a sous vide machine!

Also from Stasher:

Sustainability Features


  • Stasher is designed in California, and produced responsibly in China


  • 100% pure platinum grade silicone

End of Life

  • Stasher has a take-back program to repurpose used silicone bags into soft, safe playground pebbles. At your bags end of life, send to: Stasher Attn: Repurpose Program 1465 Park Ave Emeryville, CA 94608


  • Stasher is a certified B-corp, meeting rigorous third-party standards for responsible manufacturing and production

Earth Friendly Features

  • Stasher's silicone is 100% pure platinum grade silicone–a standard even higher than food grade silicone, passing all U.S. safety requirements alongside even stricter European standards
  • Silicone is made from sand (silica) and oxygen, natural resources that give Stasher bags the purity of glass and the functionality of plastic
  • Unlike plastic, a petroleum-based product, silicone contains no BPA, BPS, lead, latex, or phthalates


  • Stasher packaging is made from 70% post-consumer recyclable cardboard
  • Ships in boxes or envelopes made from recycled content
  • All shipping packaging is recyclable

Made Without

  • Contains no BPA, BPS, lead, latex, or phthalates
  • No added fillers or petroleum

Product Specifications

Product Care

  • Dishwasher safe. Use upper rack for best results, and don't flip the bag inside out
  • To deep-clean corners, fill the bag 1/4th of the way with warm water and soap and shake gently
  • Can be used in a UV sterilizer
  • Microwave safe, sous vide machine safe, standard oven safe, and boiling water safe up to 400F
  • Freezer safe, but use caution carrying and storing liquids
  • Stasher doesn't use any toxic sealants, so their silicone can sometimes stain with certain foods. We recommend you choose a bag color that corresponds best with your food, and clean immediately after use. If a stain does occur, make a baking soda paste with vinegar or water and let sit for 30 minutes. Rinse and wash bag.

Additional Features

  • Stasher bags are made from 100% pure platinum grade silicone that passes all U.S. and European food contact safety standards
  • BPA free, non-toxic, and hypoallergenic
  • Endlessly reusable
  • Microwave, freezer, and oven-safe up to 400F
  • Nonporous silicone is easily washable and can be written on

Product Dimensions

  • 7.5 x 7.5 x 1in.


  • 15 fl oz


  • Unused, undamaged items in their original packaging can be returned within 30 days

Shipping Info

  • Ships within 1 business day

About the Company


Kat Nouri, the daughter of a nutritionist and an athlete, values pure, chemical free food, but was sick of using plastic products to store her healthy foods. After searching for a solution that wouldn’t leach dangerous chemicals into her food or end up in landfills for hundreds of years, she found the answer–Stasher bags.

Made from platinum grade silicone, Stasher bags have the purity of glass, as well as the functionality of plastic. Designed to be as reusable as possible, Stasher bags can be used to bake, microwave, sous vide, boil, and freeze your food!

Click the link below to learn more about why we love Stasher!

Learn More


Share your thoughts!

4.83 out of 5 stars

45 reviews

Let us know what you think...

7 reviews with a 4-star rating

  1. Sam

    Think before buying

    Sam (verified owner)

    I will start off with that it’s a very high quality product. After using a few times noticed some issues. I got a sandwich size one because I like having sandwiches but didn’t want to use a bulky container. The stasher looks big enough but the opening isn’t as big. I cannot use that size for a sandwich because I cannot get the sandwhich into the bag (will admit that I put a lot in my sandwhich but doesn’t even fit length of bread). If you air dry your dishes, this will take longer. Water gets trapped in corners and inside if you don’t leave it open wide enough. Again, high quality product and better alternative to zip lock.

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  2. heather.n.bruns

    Quality bags

    heather.n.bruns (verified owner)

    I use these mainly to make smoothie packs for the week. They hold up wonderful in the freezer unlike regular Ziploc bags. My only issue is that they are a bit of pain to wash/dry even in the dishwasher because water tends to get stuck in between the ‘lip’ of the bag. But having said that, they seal extremely well and will not leak! These are definitely an investment but I will continue to buy them.

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  3. G

    G (verified owner)

    I am so happy that I made the switch to Stasher! They work so well and are easy to wash. They are rather expensive though, which is their only downfall in my opinion. If you can afford these, I definitely recommend!

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  4. rmperrotte

    up to the task

    rmperrotte (verified owner)

    Gave this to someone as a gift for Christmas and they enjoyed them so far. Great replacement for plastic bags and the microwave to dishwasher versatility is very handy. Looking forward to seeing how long they last.

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  5. horse_lover13648

    Very Convenient

    horse_lover13648 (verified owner)

    I love having reusable bags so I don’t have to use little plastic sandwich bags. I use these for big protein cookies (one is a serving so I cut it in half and stash the uneaten portion for the next day). I love that they come in different colors, but they’re surprisingly expensive for just one. It would probably cost a lot (but maybe save you more over time?) to buy a bunch, but if you need a lot because you use many plastic bags, you’re going to spend a bit up front. Still, I’ve only needed one so far and it works great.

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  6. Cassie

    Great product!

    Cassie (verified owner)

    The only issue I have with these is it doesn’t stay sealed as well as I’d hoped. I wonder if putting liquids in the freezer would be a problem. Other than that, Stasher bags are the best zero waste buy I have made to date!

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  7. ritalilly87

    (Re)usable for some things

    ritalilly87 (verified owner)

    I love that it is reusable. The small size is nice for smaller items. However I was surprised the opening is so small. It doesn’t allow for fat items. It is difficult to not smash things or scrape ingredients etc off the item. I don’t want pieces of food stuck to the zipper part. Overall I was fairly happy with the product BUT was quite saddened by the packaging. It had unnecessary paperboard for marketing purposes on the inside of the bag. The bags were open and not covered much by the packaging. It’s like the manufacturer just wanted the food picture inside the bag and didn’t care if it got a little dusty before the customer received it.

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