Are Tervis Cups Dishwasher Safe

In today’s fast-paced world, convenience is key. When it comes to kitchenware, many of us rely on our dishwashers to save time and effort. But what about Tervis cups? Are these popular insulated tumblers safe to toss into the dishwasher? In this article, we’ll explore the ins and outs of Tervis cups’ dishwasher safety, addressing common questions and concerns.

Tervis cups are renowned for their double-wall insulation, keeping your beverages hot or cold without forming condensation on the outside. They come in various sizes and designs, making them a favorite for people of all ages. But can you trust your dishwasher with these beloved tumblers?

Understanding Tervis Cups

Before delving into their dishwasher safety, let’s briefly understand what Tervis cups are made of. These cups are typically constructed from a durable polymer material, which makes them unique in terms of insulation and longevity.

The Dishwasher Dilemma

The burning question for many Tervis cup owners is whether they can safely be placed in the dishwasher. The answer isn’t a simple yes or no. It depends on several factors.

Tervis Cup Materials

Tervis cups are primarily made of two materials: Tritan™ and stainless steel. Tritan™ is a BPA-free, clear polymer, while stainless steel Tervis cups feature an additional stainless steel outer layer.

Tervis Cup Care Instructions

To maintain the quality of your Tervis cups, it’s essential to follow the manufacturer’s care instructions. Typically, Tervis recommends handwashing to prolong the life of the cups and their insulation properties.

The Debate: Dishwasher vs. Handwashing

While Tervis advises against dishwashing, some users opt for the dishwasher for the sake of convenience. Let’s explore the pros and cons of each method.

Dishwasher Pros:

  • Time-saving
  • Even cleaning
  • High water temperature for thorough sanitization

Dishwasher Cons:

  • Risk of warping (Tritan™ cups)
  • Potential fading of designs
  • Decreased insulation effectiveness (especially for stainless steel cups)

Signs of Dishwasher Damage

How can you tell if your Tervis cups have suffered damage from the dishwasher? Look out for these warning signs:

  1. Warping: Tritan™ cups may warp or lose their shape.
  2. Fading Designs: The vibrant designs on your cups may fade.
  3. Reduced Insulation: You might notice a decline in insulation performance.

How to Properly Clean Tervis Cups?

If you decide to use the dishwasher despite the potential risks, follow these guidelines to minimize damage:

  1. Use the top rack only.
  2. Use a gentle cycle with low heat.
  3. Avoid harsh detergents and high-temperature settings.

Maintaining the Insulation

To ensure your Tervis cups continue to keep your beverages at the desired temperature, follow these tips:

  1. Pre-chill or pre-heat your cup before use.
  2. Keep the lid on to retain temperature.
  3. Avoid placing hot Tervis cups on cold surfaces and vice versa.

Alternative Cleaning Methods

For those who want to play it safe, handwashing is the preferred method. Here’s how to do it properly:

  1. Use mild dish soap and warm water.
  2. Use a soft cloth or sponge to clean the cup’s interior.
  3. Rinse thoroughly and air dry.

Tips for Prolonging Tervis Cup Lifespan

Regardless of your cleaning method, these tips will help extend the life of your Tervis cups:

  1. Avoid using abrasive scrubbers.
  2. Store cups with the lid off to prevent odors.
  3. Inspect your cups regularly for signs of wear.

Frequently Asked Questions (FAQs)

1. Can I put stainless steel Tervis cups in the dishwasher?

  • While it’s generally not recommended, some users do. Just be aware that the insulation might be affected over time.

2. Are Tervis cups microwave-safe?

  • Tervis cups are not designed for microwave use. The heat can damage the cup and its insulation.

3. Can I use bleach to clean Tervis cups?

  • It’s best to avoid bleach, as it can harm the cup’s materials and design.

4. Are Tervis cups recyclable?

  • Yes, Tervis cups are recyclable. Check your local recycling guidelines for specifics.

5. How long do Tervis cups keep drinks hot or cold?

  • The insulation can keep drinks hot or cold for hours, depending on the outside temperature and lid usage.


In conclusion, whether or not you should put your Tervis cups in the dishwasher depends on your priorities. While it’s not the recommended method, some users choose convenience over potential long-term effects. However, for those who want to preserve the cups’ insulation and designs, handwashing remains the safest bet.

FAQs (Continued)

Here are a few more frequently asked questions regarding Tervis cups:

6. Can I put Tervis cups in the freezer?

  • Yes, you can safely place Tervis cups in the freezer. They are designed to withstand freezing temperatures.

7. Are Tervis cups prone to scratching?

  • Tervis cups are generally scratch-resistant, but using abrasive materials may cause damage.

8. What sizes do Tervis cups come in?

  • Tervis cups come in various sizes, including 10 oz, 16 oz, 24 oz, and more.

9. Are there any warranties for Tervis cups?

  • Tervis offers a limited lifetime guarantee on their products.

10. Can I customize my Tervis cup with my own design?

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- Yes, Tervis offers customization options for creating your unique cup design.

In conclusion, Tervis cups can be a durable and practical choice for your beverage needs, but their care is essential for long-lasting enjoyment. Whether you choose to use the dishwasher or handwash, following the care instructions will help you maintain the quality and insulation properties of your beloved Tervis cups.

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