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

The EcoLunchBox Solo Rectangle is a rectangular stainless steel lunch box with a cardboard band. Plastic-free, BPA-free, and food-safe—ideal for zero-waste takeout and eco-friendly storage. 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 EcoLunchBox Solo Rectangle is a stainless steel lunch box with a blue label, promoting zero-waste takeout. It's eco-friendly, plastic-free, lead-free, BPA-free, and phthalate-free. An open stainless steel EcoLunchBox Solo Rectangle holds a sandwich with lettuce and tomato. Text reads 29 oz, 3 1/3 cups—an eco-friendly lunch container ideal for zero-waste takeout meals. The EcoLunchBox Solo Rectangle, a stainless steel lunch box shown open with a brown bread sandwich, lettuce, tomato, and cheese inside—an eco-friendly option—set against a white background.
Beyond Plastic 100% Plastic Free
The EcoLunchBox Solo Rectangle is a rectangular stainless steel lunch box with a cardboard band. Plastic-free, BPA-free, and food-safe—ideal for zero-waste takeout and eco-friendly storage.

EcoLunchBox Solo Rectangle - Stainless Steel Lunch Container

29 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Made from 100% stainless steel.
  • Great zero-waste takeout option.
  • Easy to wash non-breakable design.
$30.00 $30.00 Save 0%

Solo Rectangle - Stainless Steel Lunch Container $30.00

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

The ECOlunchbox Solo Rectangle features a large single compartment that's ideal for sandwiches and many other foods packed to go. If you're looking for a non-breakable, easy-to-wash lunch box made from 100% stainless steel, the ECOlunchbox Solo Rectangle is a great option.

Holding 3.6 cups (29 oz), the portion size of this rectangular food box is good for all ages who are packing food for work, school, camping and more. Restaurants also find it easy to pack to-go orders in this rectangular steel lunch box, so it's a great zero-waste takeout option.

The lid on this rectangular stainless steel lunch box does not have gaskets, so it's not appropriate for saucy foods since it may leak if tipped over.

Product Details:

  • Stainless steel rectangular container with lid.
  • Container measures 4.75" wide x 6.75" long x 2" tall.
  • Contains 29 oz (3.6 cups).
  • Tare Weight: 8 oz.
  • Great for portion control & mindful eating.
  • Non-toxic: free of estrogen-mimicking toxins commonly found in plastic, such as BPA (bisphenol-A), BPS (bisphenol-S) and phthalates.
  • Stainless Steel 201
  • Dishwasher safe.
  • Not for use in the microwave. Food may be reheated in the metal containers in a medium-heat oven or over a campstove. Try out our pot gripper for easy handling.
  • Not leak proof.
  • Made in India.

100% Stainless Steel 201

Dishwasher safe. Not for use in the microwave. Food may be reheated in the metal containers in a medium-heat oven or over a campstove. Not leak proof.

Grove Values

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