Plastic Or Glass: Which Food Storage Container Is Best? (2024)

We live in a land of infinite choices: cash or credit? Take-out or delivery? And when it comes to food storage containers, glass or plastic? The answer isn't that simple. Aside from personal preference, the choice depends on environmental and safety concerns, space and weight considerations, and functionality. Below, we've laid out the factors to consider when choosing between glass and plastic, and determined a winning material for each category.

FOR THE ENVIRONMENT: GLASS

First up: recycling. With care, glass containers will last almost indefinitely, and if you do discard of them, they're 100 percent recyclable. An unfortunate amount of plastic, however, can’t be recycled in most municipal recycling programs. (Plastics are labeled with numbered symbols and local programs typically recycle some, but not all, of the labels.) According to a recent study, approximately 6300 metric tons of plastic waste had been generated as of 2015, 9 percent of which had been recycled. The only kind of plastic containers that might be comparable to glass in terms of environmental benefits are ones made of recycled plastic, like these by Preserve.

FOR YOUR HEALTH: GLASS

Even when you choose BPA-free plastic, toxic, endocrine-disrupting chemicals may migrate into your food during microwaving. Glass has a non-porous surface that doesn’t absorb like plastic and can be safely washed at higher temperatures in your dishwasher without melting or warping—most food storage containers made of glass are designed to withstand high heat without breaking.

Glad containers are designed to store tiny amounts of dressing.

Photo by Caleb Adams

FOR BRINGING YOUR LUNCH TO WORK: PLASTIC

Plastic containers are definitely the convenient option for transporting food. They're much lighter than glass and won’t shatter into a million little pieces if you drop them. Some, like these Glad containers, are designed with a lid for storing tiny containers of dressing or sauce. If you're looking for another transportable, replaceable, and inexpensive plastic container for carrying your lunch, heed Epi staffer Erika Owen's advice and use 32-ounce plastic deli containers.

FOR PACKING YOUR KIDS' LUNCHES: PLASTIC

If you’re sending your children off to school with their lunch, plastic is best for the same reasons above. Anya Hoffman likes this portioned option because it has tiny compartments for different items.

Plastic Or Glass: Which Food Storage Container Is Best? (2024)

FAQs

Plastic Or Glass: Which Food Storage Container Is Best? ›

FOR YOUR HEALTH: GLASS

Is plastic or glass better for food storage? ›

Glass containers have some definite advantages over plastic: They're nonporous and nontoxic, and therefore can't leach harmful chemicals into your food. They're 100 percent recyclable, and more environmentally friendly. They last longer.

What is the best material for food storage containers? ›

When it comes down to it, ceramic is always a great option due to its durability, sustainability, versatility, and non-toxic properties. With proper care and maintenance, your food containers can last a lifetime.

Which container is best for storing food? ›

If you're trying to reduce the use of plastic in your life, opt for glass food storage containers instead. Glass food storage containers can keep food fresh just as well as plastic, and are known to stain less and keep smells at bay.

Is it better to meal prep in plastic or glass containers? ›

The type of meal prep container you use is a matter of preference. Some people may like how lightweight plastic is while others may prefer glass that feels more durable. Plastic tends to stain but glass can break. Both can usually be microwaved but glass is often more heat-resistant.

Why is glass better than plastic for food? ›

Glass doesn't leach chemicals

This can happen especially when you transfer hot substances into a plastic container, or when you microwave food in plastic. Food, drinks, cosmetics, and other things packaged in plastic may contain traces of chemicals found in the packaging, and these chemicals can be toxic.

Why are glass containers better than plastic? ›

Heat Resistance: Versatile and Safe

Glass containers were made for this. They can handle a wide range of temperatures, making them perfect for baking, microwaving, and freezing your food. Unlike plastic containers, glass won't warp, melt, or release harmful chemicals when exposed to heat.

What is safest food storage material? ›

Glass food storage containers are a safer option. “I know it's heavy, it can break and all the rest of that, but we think that the advantages to using glass containers for storing food and reheating food outweigh the risks,” Rogers said.

Which food containers are safest? ›

Glass, stainless steel, silicone, and ceramic containers are the safest for food storage. They have the most heat resistance and do not leak toxins into your food. Glass is microwave-safe, toxin-free, and dishwasher-safe. Stainless steel is also toxin-free, dishwasher-safe, and oven-safe.

Which container is unfit for food storage? ›

Food products must be stored in food-grade containers at all times. Trash bags and empty chemical containers are not acceptable for food storage.

Are glass or plastic containers better? ›

When it comes to durability, longevity, and its ability to be recycled, glass is the winner! Glass containers for food and beverages are 100% recyclable and can be recycled endlessly without loss in quality or purity, whereas most plastic will end up in a landfill.

Are all glass containers food safe? ›

Glass is a safe alternative to plastic because it doesn't contain BPA. However, some glass containers may be coated with BPA-containing resins to make them more durable. If you're concerned about BPA, look for glass containers labeled “BPA-free.”

Can you put hot food in glass containers? ›

Some types of glass, such as tempered glass or pyrex, are designed to withstand high temperatures and can be used for both hot and cold foods. However, some types of glass, such as regular soda-lime glass, can become very hot and may even shatter if exposed to high temperatures.

Is it OK to put food in plastic containers? ›

In general, the safest choices for food use are numbers 1, 2, 4 and 5. The American Academy of Pediatrics recommends avoiding plastic containers with codes 3, 6 and 7. Plastic number 3 contains vinyl or polyvinyl chloride (PVC), 6 has polystyrene and 7 can contain various plastics, such as Bisphenol A (BPA).

Is it OK to cook food in plastic containers? ›

Plastic is just not a good choice, with its warping and potentially leaching chemicals into your food. Glass is the best, safest option. It handles high heat like a pro, ensuring that your meal is cooked without any nasty extras being added in the process. Beyond the health benefits, glass offers a variety of perks.

Is glass safer than plastic for food? ›

If just considering from the health perspective, then glass is much better. Using plastic containers may lead to certain chemicals leaching out into the food especially if stored over long periods of time.

What is the safest material for food storage? ›

However, for food safety, it's best to opt for well-established, food-grade materials like glass and stainless steel to ensure the integrity of the stored food and avoid any potential health risks.

Is it better to store salad in glass or plastic? ›

Storing salad in glass (rather than plastic) is better for you and the planet. Why? Because glass is infinitely recyclable, non-porous, and easy to clean.

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