How to Pack a Lunch Without Single-Use Plastic

What single-use plastic ends up in a typical packed lunch?

Before swapping anything, look at what actually goes in the trash after lunch. For most adults packing a meal for work, the gym, or a long day out, the list is short and repetitive: zip-top bags for sandwiches and snacks, plastic wrap over a bowl of leftovers, a takeout-style container that was meant to be reused and cracked instead, a plastic fork, a straw, and a bottled drink.

Each of those is a separate habit with a separate replacement. Treating them one at a time is easier than trying to redesign the whole lunch, and it lets you keep what already works.

You don't need to replace everything at once. Start with the item you throw away most often, which for most people who pack a weekday lunch is the zip bag or the takeout box, and work outward from there.

What are the alternatives to plastic food containers, item by item?

Here is a practical swap for each common single-use item. None of them requires special equipment, and several can come out of your kitchen drawers today.

• Zip-top bags: a stainless steel container with compartments or several smaller containers for snacks. Reusable silicone bags also work for dry foods and wash easily.
• Plastic wrap: a cloth napkin tied around a sandwich, a beeswax-coated fabric wrap, or simply a container with its own lid so nothing needs covering.
• Takeout boxes: bring your own container for leftovers and, where the restaurant allows it, for food you order to go.
• Disposable utensils: a metal fork, spoon and butter knife from your own flatware drawer, rolled in a cloth napkin so they don't rattle in your bag.
• Straws: skip them, or carry a stainless steel straw with a small cleaning brush.
• Bottled drinks: a refillable stainless steel or glass bottle for water, and a lidded mug or insulated bottle for coffee.
• Small tubs for dressings and sauces: a small glass jar with a screw lid, packed upright in a separate pocket.

How much plastic packaging is actually recycled?

Recycling catches less plastic than many people assume. According to the US EPA's Facts and Figures about Materials, Waste and Recycling (plastics data for 2018), US plastics generation was 35.7 million tons in 2018, 12.2 percent of municipal solid waste, and about three million tons were recycled, an 8.7 percent recycling rate. The same EPA data show landfills received 27 million tons of plastic in 2018, and that containers and packaging had the most plastic tonnage of any category, at over 14.5 million tons.

The global picture is similar. The OECD Global Plastics Outlook (2022) reports that plastic waste more than doubled from 156 million metric tons in 2000 to 353 million metric tons in 2019, and that after accounting for losses during recycling, only 9 percent of plastic waste was recycled, while 19 percent was incinerated and almost 50 percent went to sanitary landfills. The OECD also found that packaging accounted for 40 percent of plastic waste in 2019.

At the level of one person, the arithmetic is simple. A lunch that uses a single zip-top bag adds up to 250 bags a year if you pack a lunch five days a week for 50 weeks. A sandwich bag plus a snack bag doubles that to 500 on the same assumption. That is the number a reusable container or two, washed and packed again each day, can replace.

Are stainless steel lunch boxes better than plastic?

For daily reuse, stainless steel has practical advantages. It doesn't absorb the color of tomato sauce or curry the way many plastic containers do, it doesn't hold on to odors from garlic or fish, and it doesn't turn cloudy or crack from repeated washing. A steel container that's cared for can stay in rotation for years, which is the point of choosing a reusable container in the first place.

It has tradeoffs too, and they're worth knowing before you switch. Steel is heavier than thin plastic. You can't see inside an opaque steel box, so a glass lid helps. A steel container can dent if dropped. And whether it goes in a microwave depends on the specific product and its testing, so read the manufacturer's instructions rather than assuming.

Glass containers are the other common choice. Glass is see-through and handles reheating well, but it's heavier still and can break in a bag. Many people end up with a mix: steel for the daily commute, glass for meals that stay at home or in the office fridge.

How do you keep a plastic-light lunch safe to eat?

Changing the container doesn't change the food-safety rules. USDA guidance is that perishable food shouldn't sit at room temperature for more than two hours, or more than one hour when the air temperature is above 90°F (32°C). Bacteria grow most rapidly between 40°F and 140°F (4°C and 60°C), which USDA calls the Danger Zone.

Use an insulated bag with a frozen gel pack or a frozen water bottle, which doubles as a cold drink by lunchtime. Put the container in the office fridge when one is available. When reheating leftovers, USDA recommends heating them to an internal temperature of 165°F (74°C).

Pack wet and dry foods separately. Dressings, sauces and soups travel better in a small screw-top jar than in the main container, which keeps salads crisp and keeps liquid off everything else in the bag.

What happens to a reusable container at the end of its life?

Even a reusable container eventually wears out, so it's worth knowing where it goes next. Stainless steel is widely recyclable as scrap metal where local facilities accept it; many scrap metal yards and some municipal programs take it, but acceptance varies, so check with your local recycling program before dropping it in a curbside bin.

Lids are usually made of more than one material, and mixed-material parts are harder to recycle. Glass, silicone and polypropylene each follow different rules locally. The longer a container stays in use, the less this question matters, which is why care and durability count for more than the disposal route.

A reusable container option for weekday lunches

SEIDO lunch boxes are one option built for this kind of weekday packing. Each 3-pack holds three 27 oz (800 ml) stainless steel containers with glass lids. To be clear about materials: each lid has a polypropylene frame and a silicone gasket, so the set is not free of plastic, but it replaces the disposable bags, wraps and takeout boxes a packed lunch would otherwise use. The container itself (lid off) has been lab-tested in a 1000 W microwave, in the freezer and in the dishwasher; use it in the microwave with the lid off, at no more than 1000 W, and never heat it empty. Dishwasher safe, handwash recommended. Pack sauces and dressings in a separate jar rather than relying on the lid to hold liquid. Each set is backed by a 5-Year Limited Warranty. See price on Amazon.