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9 Best Non-Toxic Thermoses for Every Occasion (2024)

Non-Toxic Thermoses offer a dual promise: the assurance that your drinks remain free from harmful chemicals and the commitment to reduce single-use plastic waste.

We’ve curated a list of the best non-toxic thermos options on the market today. Find the perfect termos for your hot or cold beverages—one that not only keeps your drinks at the right temperature but also keeps you and your loved ones safe.

Read also our articles about Non-Toxic Food Containers, Non-Toxic Mugs, or Non-Toxic Dinnerware.

The Conscious Insider is reader supported. When you buy something we recommend, we might earn an affiliate commission at no extra charge for you.

Warning Recall – Bindle Bottle

The Bindle Bottle “Sip and Stash” is being recalled due to potentially dangerous levels of lead discovered by Consumer Reports. This product, once popular on Instagram and a favorite of Oprah, is facing a voluntary recall by Bindle. The recall was initiated after Consumer Reports’ tests revealed alarmingly high levels of lead in the bottle’s bottom storage compartment, exceeding the permissible limits for consumer products by over a thousand times.

Best Non-Toxic Thermos For Camping And Outdoor Activities

YETI – Rambler Bottle with Chug Cap

Non-toxic materials | Stainless Steel

Capacity | 36 oz 

Wash in | Dishwasher

Price | $50

  • The cap allows for quick and easy access to your drink with a simple twist, perfect for on-the-go sipping.
  • This insulated water bottle keeps your beverage cold or coffee hot right until the very end.
  • Built to withstand tough conditions, this thermos features 18/8 stainless steel and a durable coat color that resists fading, peeling, or cracking. Note that it is not suitable for carbonated drinks, or food.

Customer Review | Amazing water bottle. Keeps water cold and iced ALL day (depending how much ice you use). Best of all, takes a lickin’ and keeps on tickin’!!!!” K Wege

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Best Non-Toxic Thermos For Travel

Contigo – West Loop Travel Mug

Non-toxic materials | Stainless Steel

Capacity | 16 oz 

Wash in | Top-rack dishwasher-safe lid

Price | $18.39

  • The Contigo Travel Mug features a leak- and spill-proof lid with a lid lock for added peace of mind, ensuring your drinks stay secure on the go.
  • It keeps your beverages hot for up to 5 hours or cold for up to 12 hours, making it perfect for any lifestyle or commute.
  • With a one-handed drinking mechanism, it fits in most car cup holders, and the Easy-Clean Lid allows for thorough cleaning. While the lid is top-rack dishwasher-safe, the body should be hand-washed. 

Customer Review | This is a solid, quality travel mug that I’ve repurchased over the years. They’re leak proof, they have a lock so that if we hit the open button it doesn’t just let the contents pour out. The inside of the lid also unclicks so you can clean it really well. There are some tiny areas that are hard to reach but overall it’s pretty easy to clean. Only complaint is that the plastic in the lid begins to smell after a while which is why I replace it here and there over time.”  Rebecca

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Best Non-Toxic Thermos For Hot Food 

Yelocota – Thermos

Non-toxic materials | Made of premium quality stainless steel, free of BPA and PVC

Capacity | 27 oz 

Wash in | Hand wash

Price | $22.99

  • This premium thermos is made with high-quality 316 and 304 stainless steel, meaning it’s BPA and PVC-free. 
  • Featuring a double-wall vacuum insulation technology, this thermos can keep your food cold for up to 10 hours or hot for up to 10 hours. 
  • With a generous 27 oz capacity, it displays a wide mouth simplifying filling and cleaning tasks. The silicone sealing ring and air button on the inner lid provide a full seal to prevent spills and accidents. Ideal for carrying soups or other foods to work or school.

Customer Review | I eat lunch around 2 and my food is still hot and smoking when I open this container. It packs a good amount of food as well.” Cindy

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Best Non-Toxic Thermos For Group Meals

THERMOS – Insulated Food Jar 

Non-toxic materials | Stainless steel

Capacity |  47 oz 

Wash in | Dishwasher safe, top rack recommended

Price | $ 43.44

  • This thermos keeps meals hot for up to 10 hours and cold foods chilled for an impressive 24 hours.
  • Crafted from high-quality 18/8 stainless steel, this thermos is durable. It’s suitable for year-round use, whether it’s for daily lunches or outdoor adventures like camping.
  • With a large 47-ounce capacity, it’s perfect for group meals. The thermos includes two 20-ounce microwave and dishwasher-safe containers for easy food separation. Plus, the built-in carry handle makes it ideal for long hikes or outdoor excursions. 

Customer Review | I work at job sites as an engineer. often times food gets packed early in the morning at 5 am and gets cold by 11am. but with this i was able to enjoy my home-cooked meals more ! definitely worth the investment” Joshua

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Best Non-Toxic Thermos For Soup

IRON °FLASK – Thermos for Hot Food & Soup

Non-toxic materials | 18/8 Stainless steel, 100% BPA free and non-toxic

Capacity | 16oz 

Wash in | Hand wash only

Price | $21.95

  • The Iron Flask Insulated Food Jar keeps your food at the right temperature with double-wall insulation, preventing sweat on the exterior. It can keep your food cold for up to 10 hours or hot for up to 7 hours, depending on the size you choose.
  • This thermos comes with a foldable stainless steel spoon, making it easy to enjoy your meal on the go.
  • Made from 18/8 premium stainless steel, the Iron Flask thermos is 100% BPA-free and non-toxic. The durable powder coat exterior adds both style and functionality. 

Customer Review | I used this for my son’s lunch box. Kept his food warm from 7am to 3pm thats 8 full hrs guys its worth it. Good price nice looking good quality not big and bulky” Happy customer

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Best Non-Toxic Thermos For Kids

THERMOS – Kids Straw Bottle

Non-toxic materials | Stainless Steel, BPA-free

Capacity | 12 oz 

Wash in | Top rack dishwasher safe

Price | $14.2

  • THERMOS keeps your drinks cold for 12 hours. Note that it’s not suitable for hot liquids.
  • These water bottles are designed to withstand daily use, including drops and dings. They are dishwasher safe, but hand washing is recommended for long-lasting durability.
  • With a lightweight and compact design, vibrant color options, and an easy-to-use push-button lid with a soft touch grip, these water bottles are perfect for kids. They also feature a hygienically covered pop-up straw that can be removed for easy cleaning.

Customer Review | My 9yr. Old daughter loves the color and the handle. The handle makes it easy to carry although, when it’s full it may be heavy for a smaller child. The bottle was left on our recliner, on its side, all night. When I found the bottle, in the morning, it did not leak. It’s easy to clean and I had no issues with mold.” Leticia

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Best Non-Toxic Thermos For Coffee

Fijoo – Coffee Thermos

Non-toxic materials | Stainless Steel BPA Free

Capacity | 17oz 

Wash in | Hand wash only

Price | $19.97

  • This thermos has a triple-wall vacuum insulation with a copper lining, ensuring it can keep your beverages cold or hot for hours. 
  • Designed for easy portability, it fits effortlessly in car cup holders, bike racks, or hiking backpacks. With a slim travel-friendly design and a built-in cup on the lid for on-the-go sipping, this thermos is perfect for those who appreciate convenience and sustainability. 
  • Its food-grade stainless steel interior and exterior ensure there’s no metallic aftertaste, while the BPA-free lid and lack of plastic lining mean no harmful toxins. 

Customer Review | We bought this thermos to replace a reliable but ancient one that finally broke. We thought a new one would never be as good as the old one! This new thermos was a pleasant surprise. I keeps our coffee hot on long road trips. We’ll see how it works with cold beverages but it should do fine.” 

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Best Non-Toxic Mug Thermos

Funkrin – Insulated Coffee Mug

Non-toxic materials | Ceramic Coating, Lid is made of BPA-free plastic

Capacity | 16oz 

Wash in | Hand wash

Price | $19.99

  • Say goodbye to unpleasant metal tastes with the Funkrin coffee mug. Its ceramic interior coating ensures your beverages taste free from lingering odors and oils. It’s safe for a variety of drinks, including coffee, tea, wine, and more.
  • This coffee mug’s double-walled vacuum insulation keeps your drinks hot or cold for up to 4 hours, making it versatile for office use, travel, camping, and parties. Note that after 4 hours, it maintains a temperature of 131 degrees Fahrenheit based on specific conditions.
  • Crafted from copper-plated, professional-grade stainless steel and featuring a BPA-free plastic lid, this mug is built to last and is food-safe. It’s designed with a handle for easy carrying and is compatible with most cup holders. The leakproof lid ensures you can transport it without any worries.

Customer Review | I use this mug to steep and transport my tea in. It keeps the tea warm for hours and it is has been leak proof. Solid construction and fits in all the cup holders I have encountered.Excellent customer support on this as well for some questions I have had.

Highly recommend this product.”  Beth

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Best Non-Toxic Thermos With Handle

THERMOS – Travel Mug

Non-toxic materials | Stainless steel

Capacity | 16 oz 

Wash in | Dishwasher safe, top rack recommended

Price | $22.58

  • This thermos maintains the ideal temperature for your beverages. Enjoy hot coffee or tea for up to 7 hours or refreshing iced drinks cold for up to 18 hours.
  • Made from high-quality 18/8 stainless steel, this thermos is a dependable companion year-round, whether you’re embarking on long treks in the wilderness or just heading across town. It even comes with a sturdy handle for added convenience.
  • The exterior of the hermos remains cool to the touch with hot beverages and is sweat-proof with cold ones. Its sealing lid is leak-proof when closed. Plus, it features a built-in tea hook for tea bags or loose leaf infusers and is dishwasher safe.

Customer Review | I have ordered 3 of these over time. They keep my coffee at the right temperature for a long time and are easy to clean. Not to mention how many spills that have been saved.” Barbara

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Picture credits belongs to respective brands. These are the product prices at the time of the article’s publication.

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