The 6 Best Meal Prep Containers to Keep Your Food Fresh for Longer

Between planning, shopping and cooking, you've worked hard to prep several days' worth of healthy meals. To reap the most from your efforts, pack your food in high-quality containers.

The right meal prep containers will keep your food fresher for longer so that it tastes as good by the end of the week as it did when you first packed it.

Quality containers will also help keep spills at bay and make it easy to see exactly what you have stocked in the fridge — both keys to minimizing food waste.

There are about a million options to choose from, though, so how can you know which ones are best?

Before you go shopping or fill your virtual cart with containers, keep these points in mind.

• Pick containers with an airtight lid. Lids with airtight seals keep air from penetrating your food so it stays fresher longer, Andres Ayesta, RD, tells LIVESTRONG.com. And they can help prevent annoying spills when a container tips over.
  
  
• Get a variety of sizes. A mix of big and small containers helps you max out storage space in your fridge. Use big vessels for large batches and smaller ones for portioning out individual servings that you can take for lunch or stow in the freezer.
  
  
• Make sure plastic containers are safe to use. Plastic containers often contain potentially endocrine-disrupting chemicals like bisphenol-A (BPA) or phthalates that can leach into food, especially when the plastic is heated or exposed to bright light. The risk of leaching is higher with hot or wet food, but it can occur with dry food too, Ayesta says. Glass containers are naturally free of endocrine-disrupting chemicals, and since they're clear, you can see exactly what's inside. If you choose to go with a plastic option, make sure it's listed as BPA-free.

Whether you're looking for basic glass containers, a lightweight plastic option that's BPA-free or something to tote your smoothies in, this list of best meal prep containers has you covered.

This 24-piece set offers round and rectangular glass containers in 12 different sizes, so you've got options. Plus, they're microwave-, oven- and freezer-safe. You can freeze glass containers but pay close attention to safe thawing practices.

The set of eight 30-ounce containers is ideal for storing large batches of just about anything. The locking, snap-on lids are spill-proof and water-tight, and these containers are even oven-safe up to 500 degrees Fahrenheit — without the lid.

These come in three sizes — two 59-ounce rectangular containers, six 25-ounce containers and six 11-ounce containers — and are perfect for prepping a week's worth of breakfasts, lunches or dinners. The lids are airtight and leak-resistant, and the plastic is BPA-free and microwave-safe (under 5 minutes and without the lid).

Zip-top bags have the benefit of laying flat and taking up minimal space in the fridge or freezer. But they're usually made of BPA-containing plastic and waste can be an issue. These large silicone bags are a cleaner, greener alternative that's heat- and cold-resistant and have an airtight zip-top.

Simple glass Mason jars are great for storing single-serve smoothies that you can grab before heading out the door. At 16 ounces, the jars in this 12-pack are just the right size for a filling blended drink. Bonus: Unlike most canning jars, the lid is just a single piece, so you don't have to fiddle with a flat top and a ring.

Like the idea of packing lunches or dinners in individual compartments? These 24-ounce glass bento boxes are just the thing for you. The snap-on lids keep spillage at bay, and the tall dividers inside the containers keep foods separate (so the chicken won't get tossed with your fruit!) — even if the container gets jostled around.

Good-quality containers with airtight lids will keep your prepped food fresher longer. But how long depends on what kind of food you're talking about. Heed Ayesta's general storage guidelines:

• Veggies, beans or grains: Up to 5 days
• Meat or poultry: Up to 3 days
• Seafood: Up to 2 days
• Smoothies: Up to 2 days
• Salads: Up to 5 days when stored without the dressing.