• THE UNPLASTIC SHOP
  • THE UNPLASTIC SHOP
  • THE UNPLASTIC SHOP
The EcoLunchBox Tri Bento Stainless Steel Lunchbox, featuring three neatly stacked tiers with secure side clasps, is an eco-friendly lunch container shown 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. Three round EcoLunchBox Tri Bento Stainless Steel Lunchbox containers are shown—two open to reveal empty interiors with foldable metal handles, and one closed with a lid. The EcoLunchBox Tri Bento Stainless Steel Lunchbox features three tiers with secure side clasps. Each eco-friendly container holds 12 oz (top/middle) and 14 oz (bottom). Text below reads Tri Bento. The EcoLunchBox Tri Bento Stainless Steel Lunchbox, filled with mixed green salad, sits on a wooden surface. Its lid displays a halved avocado and almonds, highlighting this eco-friendly food container. The background appears slightly blurred.
Beyond Plastic 100% Plastic Free
The EcoLunchBox Tri Bento Stainless Steel Lunchbox, featuring three neatly stacked tiers with secure side clasps, is an eco-friendly lunch container shown against a white background.

EcoLunchBox Tri Bento Stainless Steel Lunchbox

1 item

Why we love it

  • A high-impact upgrade for reducing plastic exposure in your daily routine.
  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Made from non-toxic stainless steel for healthy meals.
  • Durable and reusable materials reduce environmental impact.
  • Three separate tiers perfectly portion your lunch or snack.
$38.00 $38.00 Save 0%

Tri Bento Stainless Steel Lunchbox $38.00

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

Stacking and packing a healthy lunch is as easy at 1-2-3 with our elegant ECOlunchbox Tri Bento that's made up of three separate layers which neatly clip together. Each lunch container in the stacking ECOlunchox 201stainless steel Tri Bento set is made from non-toxic stainless steel and is portioned for a healthy lunch or snack.

The shape of the ECOlunchox stainless steel Tri Bento is classic of the round stainless steel "tiffins" that have been used for generations throughout India. This 3-tier lunch box, however, is a stand-out due to the exceptional quality of the workmanship as well as the easy-to-use clips that won't pinch. It's the perfect 3-tier lunch box for packing a trio of your favorite lunch foods!

It's a great bento for children, adults, outdoor lovers and more! Because all ECOlunchbox lunch containers are made from durable, reusable materials, you can reduce your impact on the planet all while enjoying perfectly-portioned, fresh meals on-the-go.

Product Details:

  • Stainless steel lunchbox with three layers that stack and clip together
  • Total capacity is 36 oz (4.5 cups). That's 1.5 cups per layer
  • It's great for packing 3 separate foods since container includes 3 separate layers
  • Clips on these stackable bento lunch boxes are kid-tested and can be adjusted to desired stiffness
  • The 100% steel container measures 4 inches high with 5 1/4-inch base diameter
  • Non-toxic: free of estrogen-mimicking toxins commonly found in plastic, such as BPA (bisphenol-A), BPS (bisphenol-S) and phthalates
  • Dishwasher-safe. Not for use in the microwave.
  • Container is not leakproof since no gaskets are used. If you're looking for a lunch box for wet foods, try our no-leak Bento Wet Box Round with silicone gaskets
  • Made in India 

Stainless Steel

Container is Not Leak-Proof Since no Plastic Gaskets are Used. Dishwasher-safe. Not for use in the microwave.

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