5 Tips for Cleaning Silicone Lunch Containers to Prevent Odors and Stains

Silicone lunch containers are lightweight, flexible, and leak-proof, making them a popular choice for packed lunches. But over time, they can absorb odors from strong foods like curry or tomato sauce, and develop stubborn stains. The good news is that with the right cleaning routine, you can keep your containers looking and smelling fresh. Here are five practical tips for cleaning silicone lunch containers, including Bentgo Sidekicks and other silicone components.

Whether you use a Bentgo Classic Lunch Box with silicone seals or the Bentgo Kids Lunch Box with silicone dividers, regular care prevents buildup and extends the life of your containers. Let's dive into simple, effective methods that use common household items.

1. Use Baking Soda Paste for Odor Removal

Baking soda is a natural deodorizer that works wonders on silicone. To remove odor from silicone, make a paste by mixing three parts baking soda with one part water. Apply the paste to the inside of your container, focusing on areas with lingering smells. Let it sit for 15–30 minutes, then scrub gently with a soft sponge and rinse thoroughly. This method is safe for all Bentgo silicone components, including the seals on the Bentgo Modern Lunch Box.

For tough odors, you can also soak the container in a solution of warm water and baking soda (about 2 tablespoons per cup of water) for an hour before washing. This is especially effective after storing foods like garlic or fish.

• Always rinse silicone thoroughly after using baking soda to avoid any residue.

2. White Vinegar Soak to Disinfect and Deodorize

White vinegar is another excellent tool for cleaning silicone lunch containers. Its acidity helps break down oils and kill bacteria that cause smells. Mix equal parts white vinegar and water in a bowl or sink, and submerge your silicone containers for 30 minutes. After soaking, wash with dish soap and warm water. This method is gentle enough for daily use and works well on Bentgo Sidekicks and other silicone accessories.

If you notice mold or mildew in crevices, a vinegar soak followed by a thorough scrub with a bottle brush can reach tight spots. Rinse well to remove the vinegar scent, which dissipates as it dries.

• Avoid using vinegar on silicone that has metal parts; it may cause discoloration.

3. Lemon and Sunlight for Natural Stain Removal

Lemon juice is a natural bleaching agent that helps remove silicone container stains. Squeeze fresh lemon juice over stained areas or soak the container in a mixture of lemon juice and water for 30 minutes. Then wash as usual. For extra stain-fighting power, place the container in direct sunlight after applying lemon juice. UV rays work with the acid to fade stains naturally.

This method is particularly useful for tomato-based stains on the Bentgo Kids Lunch Box or Bentgo Chill Kids Lunch Box. Just be sure to rinse thoroughly before storing food again.

• Sunlight can also help eliminate odors; leave containers upside down in a sunny spot for a few hours.

4. Dishwasher Cleaning for Convenience

Most silicone lunch containers are dishwasher safe, making maintenance easy. Place them on the top rack of your dishwasher to avoid direct heat from the bottom element. Use a regular cycle with heated drying, but skip the rinse aid if possible, as it can leave a film on silicone. For Bentgo products, check the care instructions—many, like the Bentgo Modern Lunch Box, have removable silicone seals that can go in the dishwasher separately.

If you notice lingering smells after a dishwasher cycle, follow up with a baking soda paste or vinegar soak. The dishwasher is great for daily cleaning but may not fully remove stubborn odors from porous silicone.

• To prevent warping, avoid placing silicone containers near the heating element in the dishwasher.

5. Prevent Odors with Proper Drying and Storage

Moisture is the enemy of fresh-smelling silicone. After washing, dry your containers completely before storing them. Air-dry them upside down on a dish rack, or use a clean towel to pat them dry. Avoid stacking containers while they are still damp, as trapped moisture can lead to mildew and odors. For Bentgo Sidekicks and other small parts, store them with the lids off to allow airflow.

To further prevent smells, avoid storing strong-smelling foods in silicone for long periods. If you do pack curry or spicy dishes, rinse the container soon after eating. Regular maintenance like this keeps your lunch container maintenance routine simple and effective.

• Consider using reusable silicone liners or wraps for extra protection against stains.

By incorporating these five tips into your routine, you can keep your silicone lunch containers odor-free and stain-resistant for years. Whether you use Bentgo containers or other brands, a little regular care goes a long way. Remember to check your product's care guidelines, and don't hesitate to use natural cleaners like baking soda and vinegar for a fresh start.