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10 Best bento box stainless steel leakproofs of 2026
【Versatile & Spacious Design】With 22.5×18.8×5cm, capacity: 1200ml and 5 compartments, Weight: 0.7kg. this bento lunch box keeps foods dry, separated, and free from odor mixing, helping kids enjoy a cleaner, more appealing lunch at school or daycare, helping kids enjoy a cleaner, more appealing lunch at school
【Dishwasher Safe for Fast After-School Cleanup】Made from high-quality 304 stainless steel with an LFGB silicone seal, this bento box is dishwasher safe. this stainless steel lunch box for kids fits daily family routines by reducing scrubbing time. Parents and office workers enjoy easier cleanup, improving long-term satisfaction and making meal prep effortless
【304 Stainless Steel for Healthy Daily Lunches】This stainless steel bento box uses food-grade 304 steel, ideal for school lunches and office meals. Moms and workers choose it because it avoids plastic odor, resists wear, and keeps food safer and fresher every day
【Versatile & Spacious Design】With 22.5×18.8×5cm, capacity: 1200ml and 5 compartments, Weight: 0.7kg. this bento lunch box keeps foods dry, separated, and free from odor mixing, helping kids enjoy a cleaner, more appealing lunch at school or daycare, helping kids enjoy a cleaner, more appealing lunch at school
【Dishwasher Safe for Fast After-School Cleanup】Made from high-quality 304 stainless steel with an LFGB silicone seal, this bento box is dishwasher safe. this stainless steel lunch box for kids fits daily family routines by reducing scrubbing time. Parents and office workers enjoy easier cleanup, improving long-term satisfaction and making meal prep effortless
【304 Stainless Steel for Healthy Daily Lunches】This stainless steel bento box uses food-grade 304 steel, ideal for school lunches and office meals. Moms and workers choose it because it avoids plastic odor, resists wear, and keeps food safer and fresher every day
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STAINLESS STEEL - The base is made from durable stainless steel with a clear tritan lid that's built to last.
AIR TIGHT AND LEAK-PROOF- won't leak into your bag. The 5 compartments separates your different foods but it will not prevent liquids from mixing within the box. Smash Stainless Steel mini pots fit inside this bento and provide a leak-proof solution for transporting dressing and sauces within this bento.
5 COMPARTMENTS- Great for meal prep and portion control. You can separate different foods for a healthy meal. Please note the 5 compartment bento is not microwave safe.
Practical Partition:The 3-zone partition system keeps different foods separate, preventing flavor mixing. Stainless steel bento lunch box features an innovative design with an air vent for easy lid opening, along with a negative pressure lock, dual silicone seals, and an elastic rubber ring, ensuring leakproof performance and long-term freshness.
Complete & Portable Set: The lunch box kit includes a 1400ml 3-compartment bento box (with an upper double-compartment and a lower single-compartment), thermal lunch bag, fork and spoon. Measuring 19.7x11x10.4cm, it boasts a large capacity while easy to carry, making it ideal for on-the-go use.
304 Stainless Steel: Crafted from food-grade 304 stainless steel, the portable bento box is BPA-free. It is microwave-safe (with the lid open, for no more than 5 minutes heating), dishwasher-safe, and freezer-safe. The food-grade PP components can withstand temperatures from -16°C to 100°C, ensuring the purity of your food.
REMOVABLE DIVIDER DESIGN: The breakfast box is built-in with 1 removable and detachable divider. You can flexibly adjust the space according to the amount of food or the size of bread, so that the food can be perfectly stored in the food box.
LEAK-PROOF DESIGN: The lunch box comes with a complimentary seal that is leak-proof. No need to worry about spilling food whether you are in the office, school or outdoors.
ECO-FRIENDLY: The food-grade stainless steel bento lunch box are reusable, saving your valuable resources. The elegant metal lunch box is a perfect and sustainable alternative to disposable products such as plastic containers or paper bags!
MICROWAVE AND OVEN SAFE- Yes, you read that right! Our stainless-steel containers can be used in the microwave, simply remove the lid and heat in 1-minute increments, stirring in between until you reach your desired temperature. Always take care and use an oven mitt when removing the containern from microwave or oven as it can be hot to touch.
LEAK-PROOF AND AIRTIGHT- The leak proof silicone perimeter seal prevents unwanted leaks and spills, whilst also being airtight to lock in freshness. The 3 compartments separates your different foods but it will not prevent liquids from mixing within the box. For those who like their dressing on the side, pair with our Smash Stainless Steel Mini Pots, a great leak proof solution for dressings and condiments.
3 COMPARTMENT BENTO - The Smash Stainless Steel Microwave Safe 3 Compartment Bento is perfect for healthy lunches and snacks, meal prep and portion control. Not only do the three Bento style compartments allow you to create and separate your food just the way you like, our innovative stainless steel is completely microwave safe!
MICROWAVE & OVEN SAFE – Unlike most metal lunch boxes, this innovative stainless steel bento can go straight into the microwave or oven. Just remove the lid and heat in 1-minute intervals, stirring between, until your food is ready. Always use caution and oven mitts when handling hot containers.
LEAK-PROOF & AIRTIGHT (with a note on compartments) The leak-proof silicone perimeter seal prevents unwanted spills and locks in freshness, making this lunch box safe to carry in bags and backpacks. The airtight lid helps keep your food fresher for longer. While the three internal compartments help separate different types of food, they are not liquid-tight between sections—so sauces or dressings may mix if poured directly into the tray. For those who prefer to keep their dressing or sauces separate, pair with our Smash Stainless Steel Mini Pots – a leak-proof solution for condiments, dips, and dressings on the go.
3 COMPARTMENTS FOR PORTIONING – Ideal for separating dry foods like sandwiches, salads, snacks, or fruit. Note: liquids and sauces may transfer between compartments, as the base is not leak-proof inside.
LEAKPROOF DESIGN: Yumbox's durable lunch box is designed to keep most foods in place and prevent spills. While perfect for thicker dips and sauces, it is not leakproof with water or very thin liquids. Handwashing is recommended to maintain the life of the seal. Ideal for kids who love dipping their veggies!
EASY OPEN LATCH: Secure yet stylish closure. Easy to open single latch is designed for all ages (3+). The perfect lunchbox for the whole family.
DURABLE AND FOOD SAFE: Yumbox Prêt's tray is made of high-quality 18/8 stainless steel tray making it durable, easy to clean and food safe, BPA-Free. The silicone seal makes it leakproof, food safe and easy to clean.
【Sealed Design, Safe and Leak Proof】 - Pearyaest lunch box has a built-in silicone ring and four safety locks. Each compartment has a corresponding silicone gasket. Comprehensive sealing can ensure that your food does not leak out, without worrying about food leakage.
【304 Stainless Steel, High-Quality Material】- Our bento lunch box is made of safe, environmentally friendly, high-quality 304 stainless steel and food grade PP plastic that are free of bisphenol A. It is sturdy, drop resistant, durable, corrosion-resistant, and easy to clean, allowing you to use it with confidence.
【3 Compartment Bento Box with Separate Compartments】 - Our lunchbox has three compartments and a built-in sauce jar on the lid. With a capacity of 850ml, three independent compartments allow you to place different foods while ensuring their original flavor. Very suitable for pasta, salads, rice, and side dishes, or separating fruits from savory foods.
Peak-Hour Commute Tested Leakproof System: Dual silicone seals + reinforced locks prevent spills even with 500ml pumpkin soup. The insulated lunch box's ergonomic handle doubles as phone stand for Master-Chef viewing during train rides. Non-slip base stabilizes on train tables.
Microwave-Ready Design for Hearty Meals: Use the 304 stainless steel container to reheat last night's roast lamb or chicken parmigiana in 3 steps: remove lid/dividers → set medium heat (≤5 mins) → enjoy steaming meals. Food-grade PP withstands -20°C freezing to 120°C reheating, certified BPA-free ensuring the purity and hygiene of food. (Not include coffee bottle)