Shopping Cart


Your shopping bag is empty

Go to the shop
Caring for Your Bento Box: Tips for Longevity

To guarantee your bento box lasts, choose the appropriate material—plastic for convenience, stainless steel for longevity, or wood for visual appeal—and consider compartmentalization for your meals. Clean with warm, soapy water, using a gentle sponge; avoid abrasive scrubbers and chemicals. For wooden boxes, use a soft-bristled brush. Always dry thoroughly to prevent mold and store in a cool, dry place, ideally in a breathable fabric bag. Handle with caution, avoiding extreme temperatures and sharp objects. Seasonal maintenance, such as thorough cleaning and applying natural oils to wooden boxes, will prolong its lifespan. More specialized tips await those seeking to maintain their bento's condition further.

Key Takeaways

  • Choose the right material for durability and care needs: plastic, stainless steel, or wood.

  • Wash gently with warm, soapy water and a soft sponge; avoid abrasive scrubbers.

  • Thoroughly dry and store in a cool, dry place to prevent mold and odors.

  • Avoid extreme temperatures and sharp objects to prevent damage.

  • Perform seasonal maintenance, including deep cleaning and applying natural oil to wooden boxes.

Choosing the Right Bento Box

Choosing the appropriate bento box is an essential step in ensuring both the durability of the container and the satisfaction of your meals. The selection process should start with considering the material from which the bento box is made.

Plastic, stainless steel, and wood are common materials, each offering unique benefits. Plastic bento boxes are lightweight and usually dishwasher safe, making them convenient for daily use. However, for those prioritizing sustainability and durability, stainless steel bento boxes may be preferable. They are strong, often insulated, and can keep food at desired temperatures for longer periods. Wooden bento boxes, on the other hand, offer an aesthetically pleasing option with natural insulation properties but require more delicate care to maintain their integrity over time.

Size and compartmentalization are other important factors. A bento box should suit your meal portion requirements and dietary habits. Models with multiple compartments encourage a balanced diet by allocating space for a variety of food groups, thus promoting nutritional diversity in your meals. Opting for a bento box with adjustable or removable dividers can offer flexibility, adapting to different meal compositions.

Ultimately, the right bento box aligns with your lifestyle, dietary needs, and personal preferences, enhancing your meal experiences.

Proper Cleaning Techniques

After selecting the perfect bento box, understanding the correct cleaning techniques guarantees its durability and maintains hygiene. First, it's vital to determine whether your bento box is dishwasher safe. If it is, placing it on the top rack away from intense heat sources can prevent warping or damage. For bento boxes that require hand washing, use warm, soapy water and a soft sponge or cloth to gently clean each compartment. Avoid using abrasive scrubbers or harsh chemicals, as they can scratch or degrade the material of the bento box.

Rinsing thoroughly under running water is important to remove all soap residues, which could otherwise impart an unpleasant taste to your food. For bento boxes with tight corners or intricate designs, consider using a soft-bristled brush to reach and effectively clean these areas without causing damage.

In case of stubborn food residues, soaking the bento box in warm, soapy water for a few minutes before washing can help loosen these particles, making them easier to remove. It's crucial to pay extra attention to seals and crevices where food particles can accumulate, ensuring a complete clean.

Drying and Storage Solutions

Ensuring your bento box is thoroughly dried before storage is essential for preventing mold growth and odors. After washing, it's imperative to eliminate any residual moisture that could compromise the integrity of your bento box materials, especially if it's made from wood, bamboo, or certain plastics. To achieve this, opt for air-drying in a well-ventilated area or use a clean, dry cloth to gently pat down all surfaces.

Once you're confident the bento box is completely dry, selecting a proper storage solution is the next step. Ideally, store your bento box in a cool, dry place away from direct sunlight, which can cause discoloration and warp the material. If you have a bento box with multiple components or accessories, consider using a breathable fabric bag to keep everything together and protect it from dust.

Avoid sealing your bento box in an airtight container for storage. While it might seem like a good idea to keep out dust, the lack of air circulation can encourage the very moisture buildup you're trying to avoid. Instead, opt for a storage method that allows your bento box to breathe, ensuring it stays fresh and ready for your next use.

Avoiding Common Damages

To maintain the longevity and aesthetic appeal of your bento box, it is crucial to be mindful of practices that prevent common damage.

Firstly, avoid exposing your bento box to extreme temperatures. Placing it in a microwave or dishwasher, unless explicitly labeled as safe for these appliances, can warp or crack the material, diminishing its functionality and visual charm. Instead, gently hand wash the bento box with mild soap and lukewarm water to preserve its integrity.

Secondly, sharp objects can be harmful. Using knives or sharp utensils directly inside the box can scratch or gouge the surface. To prevent this, opt for cutting your food on a separate board before placing it into the box. This not only preserves the surface but also helps in maintaining the box's hygiene.

Lastly, overpacking can exert undue pressure on the closures and seams, leading to breakages or deformities. Packing your bento box carefully is vital, ensuring there is enough space for the lid to close without forcing it. This keeps the seal tight and the contents secure, further extending the life of your bento box.

Seasonal Maintenance Tips

Adapting your bento box care routine to accommodate seasonal changes can greatly enhance its durability and functionality. As the seasons shift, the care your bento box needs can vary considerably. Understanding these nuances guarantees that your bento remains in top condition throughout the year. Here are three key seasonal maintenance tips:

  1. Spring Cleaning: Start the warmer months with a deep clean of your bento box. Disassemble if possible, and wash each part thoroughly to prevent mold and bacteria growth common in spring's humid conditions.

  2. Summer Protection: High temperatures can warp or damage certain materials. If your bento box is made of plastic, avoid leaving it in direct sunlight or a hot car. For wooden bento boxes, applying a thin layer of natural oil can prevent drying and cracking.

  3. Winter Care: Cold and dry conditions can be harsh on bento boxes, especially wooden ones. Store your bento in a cool, dry place and avoid sudden temperature changes to prevent cracking. If your bento box has metal clasps or decorations, make certain they are dry after cleaning to prevent rusting.

Our Best Bento Box - Umami



Multipurpose Lunch Box for Adults - Ideal for Active Professionals on the Move!

Complete Package - Comes with 4 utensils, 2 sauce containers, and 2 adjustable dividers to cater to all your lunchtime needs. Everything required for an adult bento lunch box is here.

Leak-Proof Construction - Eliminate worries about food leaks or spills. Thanks to its silicone seal, this bento box for adults ensures your meals stay contained throughout the day.

Dishwasher-Safe - Cleaning up has never been easier. Just place the bento lunch box components in the dishwasher and enjoy more time relishing your meals instead of washing up.

Save Space with Ease - This stackable and nestable adult lunch box lets you declutter your cabinets effortlessly, providing a tidy storage solution.

Safe for Microwave & Freezer Use - Designed to handle both heating and freezing, this bento box is excellent for meal preparation and controlling portions.

Choice of Eye-Catching Colors - Select the color that best matches your personality. Make your meal times exciting with these colorful adult lunch containers! Click to buy now and embrace healthy eating every day!

Flexible for Single or Double-Layer Configuration - Tailor your meal size using either one or two tiers of the bento box, utilizing the adjustable dividers to cater to varying hunger levels. Ideal for both snack-sized and hearty meals.

Available exclusively in these countries: 

USA, France, Spain, Germany, Sweden, Finland, Belgium, Portugal, Italy, Ireland, Luxembourg, Netherlands, Austria, Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Greece, Hungary, Latvia, Lithuania, Malta, Poland, Romania, Slovakia, Slovenia, and the United Kingdom.

 You can find this Bento Box on Amazon



🍱 IDEAL HEALTHY SERVINGS - At Umami, we're all about delicious, fresh, and nutrient-rich meals. Our Japanese-style bento lunch box for adults is designed to satisfy without overindulging.

🤸 PORTABLE & SECURE - Guaranteed 100% leakproof design ensures your meals stay contained, no matter the orientation or motion. A silicone seal and strap keep everything in place inside your bento lunch box.

🎍 ELEGANT BAMBOO LID - Admire the genuine bamboo lid atop our adult lunch container, and anticipate the delightful meal within. The Umami bento box enhances your dining pleasure.

🍴 SUPERIOR WOODEN UTENSILS & CHOPSTICKS - Enjoy the convenience of a portable cutlery set, including a wooden knife, fork, spoon, and chopsticks. It's like carrying a mini-restaurant with you, with the bonus of being 100% dishwasher-safe.

🍯 TWIN SCREW-TOP CONDIMENT JARS - Perfect for dressings, sauces, nuts, or spices to enrich your meals with that signature Umami depth of flavor—known as the fifth taste, the essence of savory deliciousness.

🚿 EFFORTLESS CLEANING - Easy to clean by hand or in the dishwasher, the Umami bento box is designed not to harbor smells or stains.

🥪 DOUBLE-DECK MEAL OPTIONS - The dual-layer bento with adjustable dividers allows for versatile meal prep. Dedicate one layer to savory items and the other to sweet treats like fruits or desserts.

♨️ MICROWAVE FRIENDLY - Crafted from microwave-safe polypropylene and completely BPA-free, just remove the lid to heat your meal for 3 minutes. Perfect for enjoying a warm lunch wherever you are, also compatible with fridge and freezer storage.

🎨 ROBUST DESIGN - Engineered for daily use and the rough-and-tumble of work bags or backpacks, the Umami bento lunch box is built from durable materials intended to last.

🌎 ECO-CONSCIOUS CHOICE - With a biodegradable bamboo lid and wooden utensils, alongside a fully recyclable box, Umami supports both your health and the planet's wellbeing.


Currently only accessible in the USA, France, Spain, Germany, Sweden, Finland, Belgium, Portugal, Italy, Ireland, Luxembourg, Netherlands, Austria, Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Greece, Hungary, Latvia, Lithuania, Malta, Poland, Romania, Slovakia, Slovenia, and the United Kingdom.

 You can find this Bento Box on Amazon  



Multifunctional Bento Box for Adults - Ideal for On-the-Go Professionals!

This comprehensive kit comes with 4 utensils, 2 condiment containers, and 2 adjustable partitions for maximum ease. Everything you require in an adult bento lunch box.

No-Spill Build - Forget about leaks and messes in your bag. Thanks to the silicone seal, this bento box for adults keeps your meals intact throughout the day.

Dishwasher Friendly - Clean-up is a breeze; just place it in the dishwasher! Now, you have more time to savor your scrumptious dishes.

Efficient Storage Solution - Our stackable and nestable adult lunch box declutters your kitchen space effortlessly.

Suitable for Microwave & Freezer - Designed to endure both high and low temperatures, our bento box is perfect for meal planning and controlling portions.

Choose From Multiple Bright Colors - Select the hue that matches your personality. Elevate your lunchtime experience with our stylish lunch containers for adults! Click 'Add to Cart' to start enjoying healthy eating daily!

Flexible for Any Appetite - With the option to use one or both layers and adjust serving sizes using the movable partitions, this bento box caters to both light and hearty eaters.

Available in the Following Locations:

USA, France, Spain, Germany, Sweden, Finland, Belgium, Portugal, Italy, Ireland, Luxembourg, Netherlands, Austria, Bulgaria, Croatia, Cyprus, Czech Republic, Estonia, Greece, Hungary, Latvia, Lithuania, Malta Poland, Romania, Slovakia, Slovenia, and the United Kingdom.

 → You can find this Bento Box on Amazon  

→ Many other products are available on our  website  and  Amazon

Learn more about us

As passionate food enthusiasts from France, we believe the secret to delectable meals lies in the quality of the ingredients and culinary tools. It was this belief that inspired the inception of  Umami. Our mission was to design a superior lunchbox that would not only ensure our meals stayed fresh and safe but also retained their flavor, even on the go. Drawing inspiration from Japanese aesthetics, our bento lunchboxes are crafted for convenience, mastery in quality, and a touch of whimsy. Should you have any inquiries, please feel free to reach out to us.

Embarking on an entrepreneurial journey after a fulfilling corporate career, we aimed to enhance the workplace dining experience for our friends and former colleagues.

We acknowledged the significance of a nourishing lunch break at work. Despite a fraction of the workforce having access to extensive, sometimes complimentary, workplace dining facilities, the reality for the majority is quite different.

A notable number of employees, nearly 46% of those without access to a workplace restaurant, opt to bring homemade meals to work at least once a week, with 27% doing so daily (as per a 2012 Harris Interactive Study).

However, the experience of dining from traditional lunch containers can often feel less than satisfactory. With UMAMI, our ambition was to transform these moments of dining into occasions of calm and delight, enhancing them with premium, yet practical designs.

UMAMI, defined in Japanese cuisine as the savory "fifth taste," enhances the traditional quartet of bitter, sour, sweet, and salty flavors.

Our vision is to rejuvenate the lunchbox experience, promoting delicious and healthful eating, while simultaneously striving to minimize waste.

We fervently hope our collection of bento lunchboxes enhances your dining pleasure.

Etienne Ameil, Founder and CEO of Umami

Discover our categories:

- Original Bento

- For Kids

- Glass Lunch Box

- Lunch Bags

- Water Bottles

- Accessories

Contact us:    

Tags :

Related post