Is Tervis Microwave Safe? Discover Facts and Precautions

Is Tervis Microwave Safe?

Yes, Tervis tumblers and mugs can be microwave safe, depending on the specific product.

Checking the company website or scanning the product description can determine if a Tervis product is microwave-safe.

Tervis products have specific labels on the bottom to indicate if they are safe to microwave and how to do so properly.

Most Tervis cups can be microwaved for 30 seconds, unless marked, as some decorative logos contain metal.

Tervis cups made after 2011 can be microwaved for 30 seconds, but metal accents in design logos or specific design elements may not be microwave safe.

Key Points:

  • Tervis tumblers and mugs can be microwave safe.
  • Checking the company website or product description determines microwave-safety.
  • Labels on the bottom of Tervis products indicate microwave-safety and proper usage.
  • Most Tervis cups can be microwaved for 30 seconds, unless marked with metal decorative logos.
  • Tervis cups made after 2011 can be microwaved for 30 seconds, but metal accents or specific design elements may not be safe.
  • Some Tervis products contain metal that makes them not microwave safe.

Did You Know?

1. Contrary to popular belief, Tervis tumblers are indeed microwave safe. The secret lies in their innovative double-wall construction, which allows them to withstand the heat without any issues.
2. Tervis actually got its start making insulated lab beakers for the medical industry before branching out into drinkware for consumers.
3. Did you know that Tervis offers a lifetime guarantee on their products? If your tumbler cracks, shatters, or loses its insulation properties, they will replace it for free, no questions asked.
4. Tervis tumblers are designed to keep hot beverages hot and cold beverages cold, but did you know they also prevent condensation? Thanks to their double-wall insulation, you won’t have to worry about water rings on your table or slippery hands.
5. Tervis tubes, which are insulated holders for cans and bottles, are great for keeping your drinks cold, but they also serve another purpose. They provide a cushioned grip, making it easier to hold onto your drink, even in slippery or wet conditions.

Plastic Tervis Products And Microwaving: A Safety Check

When it comes to Tervis tumblers and mugs, it is important to know the materials they are made of to determine if they are microwave-safe. Tervis products can be made with plastic or metal materials.

  • Plastic Tervis tumblers, plastic water bottles, and wine glasses are usually microwave-safe, allowing you to heat up your beverages or food safely in these products.

  • The plastic Tervis drinkware is made of a new generation polymer that is BPA-free. Tervis switched to this material starting in 2009 and completed the conversion by 2011. The new polymer ensures that Tervis products made after 2011 are safe to use in the microwave for up to 30 seconds, unless marked otherwise.

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However, it is important to note that some Tervis products may have decorative logos or design elements with metal accents, which are not microwave-safe. These metal components can cause sparking or damage to the microwave. Therefore, it is crucial to carefully examine the design for any metal elements before microwaving any Tervis product.

Stainless Steel Tervis: Not Microwave-Safe

While Tervis products made with plastic materials are microwave-safe, it is important to note that the same cannot be said for items made with stainless steel. Stainless steel Tervis tumblers or mugs should not be placed in the microwave as they are not designed to withstand the heat generated by the microwave. Microwaving stainless steel can lead to overheating, potential damage to the microwave, and even pose a safety risk.

Stainless steel Tervis drinkware is not suitable for microwave use due to the nature of the material. It is always advisable to check the product description or consult the manufacturer’s guidelines before attempting to microwave any Tervis product.


Important points:

  • Tervis products made with plastic materials are microwave-safe.
  • Items made with stainless steel should not be microwaved.
  • Microwaving stainless steel can lead to overheating, potential damage to the microwave, and safety risks.


“It is always advisable to check the product description or consult the manufacturer’s guidelines before attempting to microwave any Tervis product.”

How To Determine If A Tervis Product Is Microwave-Safe

To determine if a Tervis product is safe to use in the microwave, there are a few ways to go about it:

  1. Check the company’s website or the product description: Tervis is known for providing detailed information about their products, including whether they are microwave-safe or not. This will give you a clear answer regarding the microwave compatibility of the Tervis product you own or are considering purchasing.

  2. Look for a label on the bottom of the Tervis: Tervis has implemented a labeling system to indicate microwave safety on their products. By examining the bottom of the Tervis, you can find specific labels that will inform you about its microwave compatibility. The labels are categorized into three types:

  3. Microwave Safe: Indicates that the Tervis product is safe to use in the microwave.
  4. Microwave When Full: Specifies that you can use the Tervis product in the microwave only when it is filled with something.
  5. Do Not Microwave: Warns against using the Tervis product in the microwave.
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Please note that it is essential to follow the instructions provided by Tervis for the safe and proper use of their products.

Understanding Tervis Labels: Microwave-Safe Or Not?

The labels on the bottom of Tervis products provide clear instructions for microwaving. Understanding these labels is important for safe microwave use and avoiding damage.

The “Microwave Safe” label indicates that the Tervis can be microwaved without its lid for up to 30 seconds. This label assures you that the product is safe for short heating periods.

The “Microwave When Full” label suggests that the Tervis can only be microwaved when it is filled with liquid up to one inch from the top. This label is used for products with design elements or metal accents that may be affected by microwave radiation.

The “Do Not Microwave” label clearly states that the Tervis item should not be microwaved. This cautionary label is likely present on products that have metal components or unsuitable materials.

Always remember to remove the lid before microwaving, regardless of the label indication. This allows heat to escape and prevents potential issues.

Microwaving Tervis Cups: Considerations And Limitations

Most Tervis cups made after 2011, which are made with the new generation polymer, can be safely microwaved for up to 30 seconds. However, it is important to be mindful of any metal accents or design elements on the Tervis cup, as these may affect its microwave compatibility.

When in doubt, it is always best to err on the side of caution. If you are uncertain whether a specific Tervis cup is safe to microwave, it is advisable to reach out to the manufacturer for clarification. They can provide you with accurate information and guidance based on the specific Tervis product in question.

Tervis tumblers and mugs can be made with either plastic or metal materials. Plastic Tervis products are usually microwave-safe, while stainless steel items are not. Determining if a Tervis product is microwave-safe can be done by checking the company’s website or scanning the product description. Additionally, examining the bottom of the Tervis for specific labels is essential to know if it is safe to microwave. However, it is crucial to pay attention to any metal accents or design elements that may affect microwave compatibility. By following these guidelines and precautions, you can safely enjoy your Tervis products while using the microwave.

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Frequently Asked Questions

Can you microwave a tumbler?

When it comes to microwaving a tumbler, it is important to consider the material it is made of. In this case, plastic tumblers, whether clear or adorned with vibrant colors, are generally safe to microwave. Plastic water bottles and wine glasses also fall into this category. However, it is crucial to avoid placing stainless steel tumblers in the microwave as they are not suitable for this heating method.

Is Tervis plastic safe?

Yes, Tervis plastic is safe. Tervis takes safety seriously and ensures that their drinkware exceeds the stringent safety requirements set by the FDA. In 2009, they even made the effort to convert their tumblers, mugs, and water bottles to a new generation polymer, further enhancing the safety of their products. So you can enjoy your beverages in Tervis drinkware with peace of mind knowing that they have undergone extensive testing and meet the highest safety standards.

Can you put boiling water in a Tervis?

Yes, boiling water can be safely poured into a Tervis tumbler. The Tervis tumbler is specifically designed to withstand both hot and cold beverages. Its double-wall insulation not only keeps hot drinks hot, but also prevents the outer surface from becoming too hot to handle. Therefore, you can confidently enjoy a piping hot cup of tea or coffee in your Tervis tumbler without worrying about any damage or discomfort.

Can you put coffee in a plastic Tervis?

Absolutely! Tervis plastic tumblers are designed to keep your cold drinks cold and your hot drinks hot, so pouring coffee into a plastic Tervis would work perfectly fine. These BPA-free plastic insulated tumblers are not only functional but also offer a wide range of design options, allowing you to express your personal style while enjoying your favorite hot beverage. Whether you’re sipping on a steaming cup of coffee or enjoying an iced latte, a plastic Tervis is the ideal choice to keep your drink at the desired temperature.