Featured in The Unplastic Shop, curated with the producers of The Plastic Detox to reduce your daily exposure to microplastics.

Black + Blum Meal Prep Stainless Steel Food Box

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The Black + Blum Steel Food Box is a rectangular, microwaveable stainless steel lunch box with a gray plastic lid and a red vent button in the center, shown on a white background. Text graphic reads: The Unplastic Shop. Curated by the Oceanic Preservation Society — the production team behind The Plastic Detox, now streaming worldwide — to reduce plastic exposure where it matters most. The Black + Blum Steel Food Box, featuring a microwaveable stainless steel body, gray plastic lid, and red silicone valve for leakproof storage, is displayed side by side on a white background. A hand puts the Black + Blum Steel Food Box with a plastic lid into a microwave. “MICROWAVE-SAFE STEEL” appears below, emphasizing this leakproof lunch box as a smart food storage choice. A close-up of a red car door lock switch with a locked padlock icon in a grey panel—secure as the Steel Food Box by Black + Blum.
This product contains durable, reusable plastic, defined by the EPA as lasting 3 years or more. There is no single-use plastic.
The Black + Blum Steel Food Box is a rectangular, microwaveable stainless steel lunch box with a gray plastic lid and a red vent button in the center, shown on a white background.
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$26.99

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These microwavable meal prep steel boxes are leak proof, dishwasher and oven-safe, and come in a range of sizes for breakfast, lunch, and everything in between. Lightweight, airtight and durable, they are perfect for meal prep, food storage, or simply eating on-the-go. Choose between small, medium and large sizes for different meal types or portion control.

Various sizes: Small: 20 fl oz, Medium 30 fl oz, Large 40 fl oz

    • Innovative microwave-safe steel box

    • Leak proof + airtight vacuum-sealed lid lock keeps food fresher for longer

    • Compact storage: All boxes and lids are stackable

    • Semi-transparent silicone lid to see your meals clearly

    • Dishwasher/Oven(exc. lid)/Freezer-safe

    • Easy-clean: fully removable seals

    • High performance: lid lock vent means lid can stay on when microwaving which reduces heat time (compared with other stainless steel containers), and prevents splattering (no need for single-use cling film)

    • Multifunction: meal prep, food storage, on-the-go lunch box, oven container

    • BPA-Free

    18/8 (304) stainless steel, Silicone, Polypropylene

    All parts are dishwasher safe. Lid on the top rack only. Handwashing will prolong the lifespan of the product.

    Grove Values

    Let’s end the plastic era for good.

    This product contains durable, reusable plastic, defined by the EPA as lasting 3 years or more. There is no single-use plastic.

    Go Beyond Plastic
    This product contains durable, reusable plastic, defined by the EPA as lasting 3 years or more. There is no single-use plastic.
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    More from The Unplastic Shop

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    A collection of eco-friendly household items including a metal lunchbox, reusable bamboo utensils, toothpaste tablets, bamboo toothbrush, dish scrub, cleaning cubes, dish soap, and colored pencils, all arranged on a wooden board.
    The unplastic shop

    Curated to reduce plastic exposure where it matters most

    Everything in this shop meets expert-backed criteria developed with the Oceanic Preservation Society — prioritizing reduced plastic where it counts most.

    ✓ Plastic never touches anything you ingest

    ✓ Free from BPA and all “BP” alternatives

    ✓ Free from PFAS and other “forever chemicals”

    ✓ Selected to avoid endocrine-disrupting chemicals (EDCs) and other chemicals associated with hormone disruption

    Download the Standards

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