How to Tell if Tupperware is Dishwasher Safe

Is Your Tupperware Dishwasher Safe? How to Know for Sure

In today’s fast-paced world, convenience is key when it comes to meal preparation and storage. Tupperware, the iconic brand of food storage containers, has become a staple in many households. But before you toss your Tupperware into the dishwasher, it’s important to know whether it’s truly dishwasher safe or not. In this article, we’ll guide you through the ins and outs of identifying dishwasher-safe Tupperware, ensuring the longevity of your containers while saving you time and effort.

Tupperware has revolutionized food storage, making it easier to keep meals fresh and organized. But can all types of Tupperware withstand the rigors of a dishwasher cycle? Let’s delve into the specifics and learn how to identify whether your Tupperware is truly dishwasher safe.

Understanding Dishwasher Safe Symbols

Manufacturers often provide valuable information through symbols on the bottom of Tupperware containers. These symbols convey whether the container is safe for the dishwasher, microwave, or freezer. Keep an eye out for these symbols to determine if your Tupperware can withstand the dishwasher’s cleaning power.

Benefits of Dishwasher-Safe Tupperware

Opting for dishwasher-safe Tupperware offers several advantages. Not only does it save time on hand washing, but it also ensures a thorough and consistent cleaning process. This is particularly important for removing any lingering food particles and potential bacteria, providing you with peace of mind.

The Potential Risks of Non-Dishwasher Safe Tupperware

Using non-dishwasher safe Tupperware in the dishwasher can lead to warping, discoloration, and even the release of harmful chemicals into your food. It’s essential to recognize the risks associated with not following the manufacturer’s recommendations.

How to Check for Dishwasher-Safe Tupperware

Look for the Manufacturer’s Label

Manufacturers often indicate whether a Tupperware product is dishwasher safe on the packaging or label. Look for phrases like “dishwasher safe,” “top-rack dishwasher safe,” or corresponding symbols.

Examine the Shape and Material

Certain Tupperware shapes and materials are more likely to be dishwasher safe than others. Hard plastics like polypropylene and Tritan are often suitable for dishwasher use due to their durability.

Research Online

If you’re unsure about your Tupperware’s dishwasher compatibility, a quick online search can provide valuable insights. Many users share their experiences and recommendations, helping you make an informed decision.

Caring for Your Tupperware

Hand Washing vs. Dishwasher

While dishwasher-safe Tupperware is designed for convenience, some containers may benefit from gentle hand washing. Delicate items, such as those with intricate designs or seals, might last longer with this approach.

Storing Your Tupperware

Properly storing your Tupperware can also contribute to its longevity. Nesting containers and avoiding excessive stacking can prevent warping and scratching.

Common Misconceptions

All Plastic is Dishwasher Safe

Not all plastic containers are suitable for the dishwasher. Always refer to the manufacturer’s guidelines to ensure you’re using your Tupperware correctly.

Dishwashing Ruins Tupperware Easily

Dishwashing, when done correctly, won’t ruin your Tupperware. Following the recommended guidelines and using appropriate settings can keep your containers in excellent condition.

Guidelines for Long-Lasting Tupperware

Use the Top Rack

Placing Tupperware on the top rack of the dishwasher minimizes exposure to intense heat and prevents potential damage.

Avoid High Heat Settings

High heat settings can warp or melt Tupperware. Opt for gentler cycles to maintain the integrity of your containers.

Don’t Overcrowd the Dishwasher

Overcrowding can lead to inadequate cleaning. Leave enough space between items to ensure proper water circulation.

The Environment and Tupperware

The Issue of Plastic Pollution

Disposable plastic products contribute to environmental pollution. Choosing high-quality, durable Tupperware and using it responsibly can help reduce plastic waste.

Tupperware’s Sustainability Efforts

Many Tupperware brands are taking steps to improve their sustainability. Some offer recycling programs or use eco-friendly materials to align with environmental goals.


Investing in dishwasher-safe Tupperware is a smart choice for busy individuals seeking convenience without compromising the quality of their food storage containers. By understanding the symbols, materials, and best practices, you can confidently maintain your Tupperware’s performance and longevity.


Can I put any Tupperware in the dishwasher?

Not all Tupperware is dishwasher safe. Look for the manufacturer’s labeling to determine compatibility.

What happens if I use non-dishwasher safe Tupperware in the dishwasher?

Non-dishwasher safe Tupperware can warp, discolor, and release harmful chemicals into your food.

Is hand washing always better for Tupperware?

While dishwasher-safe Tupperware is designed for convenience, some delicate items may benefit from hand washing.

Can I stack Tupperware containers?

Proper stacking techniques can prevent warping and scratching. However, excessive stacking should be avoided.

Are there eco-friendly Tupperware options?

Yes, many brands are making efforts to create sustainable and eco-friendly Tupperware products.

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