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

EcoLunchBox Solo Cube - Stainless Steel Sandwich Container

21 oz

The EcoLunchBox Solo Cube - Stainless Steel Sandwich Container is pictured with its lid partially open, revealing the empty, shiny interior against 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. A stainless steel Solo Cube Sandwich Container by EcoLunchBox features a green label. The open bento box shows its empty interior, while another reusable container with its lid on appears in the background. The EcoLunchBox Solo Cube - Stainless Steel Sandwich Container holds 21 oz. (2 1/3 cups). Shown filled with strawberries and two sandwich pieces, lid beside. Ideal as a reusable sandwich box for meals on the go. The EcoLunchBox Solo Cube - Stainless Steel Sandwich Container holds lettuce, puzzle-shaped sandwiches, orange bell pepper slices, strawberries, and grapes, all arranged neatly on a wooden surface.
The EcoLunchBox Solo Cube - Stainless Steel Sandwich Container is pictured with its lid partially open, revealing the empty, shiny interior against a white background.

$28.00

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Complete Your Routine

Made entirely from stainless steel, the ECOlunchbox Solo Cube is among our most versatile reusable sandwich box without the plastic! It's a favorite staff go-to for everyday outings.

This stainless steel 201 square lunch box, which holds 2.5 cups of food and measures 5 1/4 inches square by 2 inches deep, is a sturdy, squish-proof, reusable food container perfect for sandwiches, pasta salads, cut fruits and leftovers.

The lid of the ECOlunchbox Solo Cube does not have gaskets, so it's not appropriate for saucy foods since it may leak if tipped over. If you're looking for a 100% stainless steel square lunch box with a leak-proof lid, check out our Bento Wet Boxes with silicone gaskets and clips.

Product Details:

  • Stainless steel bento box food container with lid
  • Measures 5 1/4" square by 2" deep
  • Contains 21 oz (2.5 cups)
  • Tare Weight: 8.5 oz
  • Great for portion control
  • Ideal for sandwiches and leftovers
  • Non-toxic: free of estrogen-mimicking toxins commonly found in plastic, such as BPA (bisphenol-A), BPS (bisphenol-S), and phthalates
  • Dishwasher-safe square food container. Not for use in the microwave
  • Not leak-proof
  • Made in India

201 Stainless Steel

Dishwasher-safe square food container. Not for use in the microwave. Not leak proof

Grove Values

Let’s end the plastic era for good.

This product is 100% plastic-free. There are no plastic lacquers, liners, or coatings.

Go Beyond Plastic
This product is 100% plastic-free. There are no plastic lacquers, liners, or coatings.
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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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