10 Best Leakproof Bento Box 2026 in the United States

The Omie OmieBox Bento Box for Kids is designed with both functionality and durability in mind. Made from high-quality 18/8, 304 grade stainless steel, silicone, and plastic, it is BPA-free and phthalate-free, ensuring safety for your children. With dimensions of 7.5 inches by 8.5 inches by 3 inches and weighing 1.8 pounds, it is relatively portable, though it may be a bit bulky for some users.

The box includes three compartments and a leak-proof thermos insert, allowing you to pack both hot and cold food in one container, reducing the need for multiple containers. This feature is particularly beneficial for parents looking to provide a variety of foods in their children's lunch without the hassle of separate packing. The thermos insert can be removed to accommodate larger items like sandwiches, adding to its versatility.

Cleaning is straightforward as the box can be taken apart completely, and the rubber seals are replaceable if they become worn out. However, note that it requires hand washing which might be inconvenient for some. The product is not explicitly mentioned as microwave or freezer safe, which could limit its use in certain situations. Suitable for children aged 3 and above, the OmieBox is a solid investment for parents looking for a durable, multifunctional lunch solution.

The FIT Strong & Healthy Glass Meal Prep Containers are a strong choice if you want durable, reusable, and leakproof bento boxes. Made from borosilicate glass, they can withstand high oven temperatures (up to 450°F without the lid), which is great if you like cooking or reheating meals directly in the container. The set includes four containers—two with 2 compartments and two with 3 compartments—each holding 32 ounces. This makes portion control easier and helps keep different foods separate.

The snap-lock lids have airtight seals and removable silicone rings, which mostly prevent leaks outside the container, though the compartments inside are not leakproof between each other, so very saucy foods might mix. These containers are microwave and freezer safe, and the glass material doesn’t absorb smells or stains, making them easier to clean and more hygienic. However, lids need to be hand washed or placed on the dishwasher’s top rack to keep them in good shape.

Their rectangular shape and medium size fit well in lunch bags and refrigerators, making them quite portable for packed lunches or meal prep. At about 2 pounds total for the set, they are a bit heavier than plastic options but offer better durability and sustainability. One drawback is that the containers are recommended for adults only, so they may not be ideal for kids. These containers suit those who want sturdy, versatile, and environmentally friendly meal prep boxes that handle a variety of foods and heating methods, as long as you’re okay with some extra weight and careful lid cleaning.

The Omie OmieBox UP is a thoughtfully designed leakproof bento box aimed at kids aged 9 and up who want to pack both hot and cold meals in one container. Its main strength lies in the built-in thermal food jar that holds 12 ounces of food and keeps it warm for up to 4 hours, which is a nice upgrade from the original model. The removable ice pack is a clever addition that lets you keep other compartments chilled without needing extra containers, making it versatile for mixed meals. Made from durable 18/8 stainless steel and BPA-free plastic, it’s built to last and safe for everyday use. The box measures about 6 by 8.7 by 3.5 inches, offering a moderate capacity suitable for school lunches but maybe small for older kids with bigger appetites.

It has two compartments, which helps keep foods separate and organized. The snap closure and removable rubber seals contribute to its leakproof design, and the seals can be replaced if they wear out, extending the life of the box. Cleaning is easy thanks to dishwasher-safe parts and removable seals. However, it’s important to note that the OmieBox UP is not microwave-safe, so reheating must be done separately. Also, while portable and lightweight enough for kids to carry, at 1.8 pounds, it’s slightly heavier than typical plastic lunch boxes.

This box is a good choice for parents looking for a reliable, insulated lunch container for kids who enjoy both hot and cold meals and want to avoid multiple containers. If microwave use or larger capacity is a priority, you might want to consider other options.