How to Clean and Care for Pura Lunch Containers: Stain Removal, Odor Control, and Maintenance
By Pura Stainless | Stainless Steel Baby Bottles | MADE SAFE ... | Published: 2026-09-06
Category: Tips & Care
Learn step-by-step cleaning and care for Pura lunch containers: remove stains, control odors, and keep your stainless steel lunch jars in top shape.
Quick Answer
To clean your Pura lunch containers, rinse immediately after use, hand wash with warm soapy water, and use a baking soda paste for stubborn stains or odors. For daily care, most parts are top-rack dishwasher safe, but hand washing extends the life of the silicone gaskets and keeps the stainless steel looking new.
Pura lunch containers are built to last, but even the best stainless steel needs a little TLC. Proper cleaning not only keeps your lunch boxes looking great but also prevents lingering smells and stained interiors. Whether you're packing snacks for a toddler or a full meal for yourself, knowing how to care for your containers makes them last longer and stay food-safe.
This guide walks you through the essential steps for cleaning Pura lunch containers. You'll learn how to remove tough stains, banish odors, and maintain the insulated food jars so they perform well for years. We'll also cover what to avoid, like harsh abrasives, to keep your containers in top shape.
Why Proper Care Matters for Stainless Steel Lunch Jars
Stainless steel is durable and non-porous, which means it won't absorb flavors or harbor bacteria like plastic can. However, it still needs regular cleaning to prevent buildup of oils and food residues. Over time, if not cleaned properly, mineral deposits from water and stubborn food particles can cause discoloration or rust spots, especially if your container is single-wall and not insulated.
Pura lunch containers are made from 18/8 food service-grade stainless steel, which is known for its resistance to corrosion and its safe, lead-free composition. Still, using the right cleaning techniques ensures you keep that pristine finish. The good news: you don't need special products—just common kitchen staples like baking soda and mild dish soap.
- Always rinse after use to prevent food from drying onto the surface.
- Avoid chlorine bleach and abrasive scrubbers that can scratch the steel.
Daily Cleaning Routine for Pura Lunch Containers
The simplest way to keep your Pura lunch containers clean is to rinse them right after eating. This prevents food from sticking and makes later washing much easier. For most daily cleaning, warm soapy water and a soft sponge are all you need. The bottles and tops are top-rack dishwasher safe, but hand washing is gentler on the silicone seals and helps maintain a snug fit.
If you prefer the dishwasher, place the container on the top rack, away from the heating element. But remember: repeated dishwasher cycles can wear down the silicone gaskets faster, so reserve it for busy days. For the lid and spout, it's best to hand wash to avoid warping or degrading the medical-grade silicone.
- Tackle stubborn food residue with a paste of baking soda and water—gently rub and rinse.
Removing Stains from Stainless Steel Lunch Jars
Stains from tomato sauce, turmeric, or berries can be stubborn. The key is to act quickly, but even set-in stains can be removed. Make a paste with baking soda and a little water, apply it to the stained area, and let it sit for about 15 minutes. Then, scrub gently with a soft cloth or sponge in the direction of the metal grain. Rinse thoroughly.
For extra-tough stains, you can also use white vinegar. Soak a cloth in vinegar, wrap it around the stained area, and leave it for 30 minutes before washing. Avoid using steel wool or harsh scouring pads, as they can scratch the surface and make the container more prone to future stains.
- A paste of baking soda and water is your best friend for stain removal.
- Always rinse well after using vinegar to avoid a lingering taste.
Controlling Odors in Your Pura Lunch Container
Lunch containers can develop odors from strong foods like fish, onions, or garlic. Because stainless steel is non-porous, odors typically disappear with a thorough wash, but sometimes they linger. To neutralize odors, fill the container with warm water and add a tablespoon of baking soda. Let it sit for a few hours or overnight, then wash as usual.
Another effective trick is to wipe the interior with a lemon wedge or a mix of lemon juice and vinegar. This natural deodorizer leaves a fresh scent without any chemical residue. Also, ensure you dry the container completely with a soft towel after washing—trapped moisture can lead to musty smells.
- For persistent odors, use a baking soda soak for a few hours.
- Always dry thoroughly to prevent any musty smells.
Maintenance Tips for Longevity
Regular care goes beyond cleaning. Check the silicone gaskets and seals regularly for wear and tear. If the seal loses its elasticity or becomes cracked, it can affect the leak-proof fit. Store your lunch containers with the lid off or slightly ajar to allow moisture to evaporate and prevent odors from building up.
Avoid using metal utensils that can scratch the interior, and be mindful of extreme temperature changes that can affect the insulation. When you're not using your insulated food jar, keep it clean and dry to maintain its performance. With simple habits, your Pura lunch containers will stay in excellent condition for years.
- Inspect silicone seals monthly and replace if they appear warped.
- Store with lids off to keep containers fresh and ready.
Step-by-Step Cleaning Routine
- Rinse immediately: After emptying the container, rinse the inside with warm water to dislodge food particles and prevent drying. Make it a habit—this makes every later step easier.
- Hand wash with mild soap: Use a soft sponge and warm, soapy water to clean the interior and exterior. Pay attention to corners and the rim where food can hide. For best longevity, hand washing is gentler on silicone parts.
- Remove stains with baking soda paste: Mix 3 parts baking soda to 1 part water, apply to stained areas, let sit 15 minutes, then scrub gently in the direction of the metal grain. This is the most effective method for stubborn spots.
- Neutralize odors with a soak: Fill the container with warm water and a tablespoon of baking soda, or wipe with lemon juice. Let sit for a few hours or overnight. Always rinse thoroughly after soaking to remove any residue.
- Dry completely and store: Dry the container with a soft towel and let it air dry fully before storing with the lid off. Prevents musty smells and preserves the gaskets.
- Inspect seals regularly: Check the silicone gasket on the lid for cracks or loss of elasticity. Replace if needed to maintain a leak-proof fit. A good seal is key to preventing leaks and spills.
Products Mentioned in This Guide
- Pura® Lunch Containers: MADE SAFE Certified metal lunch boxes, designed over multiple years to meet and exceed the needs of parents everywhere, with size offerings for endless meal choices. These containers are built for daily use, and following our cleaning steps will keep the metal interior free of stains and odors, so every meal tastes fresh.
- Big Mouth® Sport 16oz Insulated Bottle: 18/8 Food Service-Grade Stainless Steel Bottle: Single-wall construction that's lightweight, shatter-proof, lead-free, and top-rack dishwasher safe. Knowing your bottle is dishwasher safe gives you flexibility, but regular hand washing keeps the silicone sport top in great shape for longer.
With a simple routine, you can keep your Pura lunch containers spotless and odor-free. Regular cleaning not only protects your investment but also makes every meal taste better. Follow these steps, and your stainless steel lunch jars will serve your family well for years.



