How to Decode the Tupperware Symbols on Every Product

Dishwasher Safe

Get in the habit of checking to see if your storage containers, utensils and other kitchen items are dishwasher safe. (Once you’ve melted a new water bottle, you’re likely never to make that mistake again.)

To see if Tupperware is dishwasher safe, look for a symbol of dishes being sprayed by water. According to the Tupperware FAQ, the dishwasher symbol on the bottom of each product will help you determine whether it’s dishwasher safe and if it is, which rack it should be placed on. Most products purchased after 1979 are made to be dishwasher safe, though!

Have more questions about Tupperware care? Here’s how to take care of your Tupperware, according to an expert.

Microwave Safe

The squiggly lines on your Tupperware mean that it is safe to put in the microwave. This symbol varies from an actual microwave with a dish to waves representing radiation, but either one means you’re able to heat up last night’s takeout—unless you’re part of the crowd that prefers pizza cold, of course.

Freezer Safe
If your Tupperware container has a snowflake symbol on it, don’t worry about freezer damage—that symbol means it’s freezer safe. If you don’t see the snowflake symbol, avoid putting your new containers in the freezer. Extreme temperatures can deteriorate plastic, and if containers aren’t food safe, this can cause chemicals to spread to food when the containers are taken out of the freezer.

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