The Black + Blum Stainless Steel Lunch Box Large is a rectangular, leak-proof lunch box with a lid secured by an orange silicone band. A metal fork fits under the band, making it ideal for meals on the go. The Black + Blum Stainless Steel Lunch Box Large features a leak-proof design, divider, black-edged open lid, orange handle, and a metal spork—all displayed on a white background. The Black + Blum Stainless Steel Lunch Box Large features a leak-proof design with a matching lid, an orange silicone seal band, and black clasps, shown against a white background. The Black + Blum Stainless Steel Lunch Box Large is leak-proof, secured with an orange elastic band, and comes partially enclosed in a brown cardboard sleeve displaying product details and the brand name. Sitting outdoors on a wooden bench, a person holds a sandwich over the Black + Blum Stainless Steel Lunch Box Large, filled with cherry tomatoes, grapes, and lettuce. The lunchbox lid and a stainless steel water bottle are nearby.
Beyond Plastic No Single Use Plastic
The Black + Blum Stainless Steel Lunch Box Large is a rectangular, leak-proof lunch box with a lid secured by an orange silicone band. A metal fork fits under the band, making it ideal for meals on the go.

Black + Blum Stainless Steel Lunch Box Large

1 item

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Durable stainless steel lasts for years, reducing waste.
  • Leak-proof seal keeps food fresh and contained for easy transport.
  • Multi-functional design for cooking, storage, and carrying meals.
$49.95 $49.95 Save 0%

Stainless Steel Lunch Box Large $49.95

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

The first truly leak-proof stainless steel lunch box. It is a 3 in 1, multi-functional lunch box allowing you to transport your lunch, cook dishes in the oven, and even store pre-cooked meals in a freezer.

Made from durable stainless steel, this design is perfect for carrying your culinary creations in style. It harks back to the vintage army or camping canteens of old, but has a modern, minimal feel that will age beautifully.

The silicone valve creates a secure vacuum sealed closure, the slider divider allows you to separate the contents with ease, and the fork + holder are added for convenience.

Stainless steel/ silicone

Dishwasher safe base+fork. Lid and strap are handwash only

Grove Values

Black + Blum Bestsellers

Shop All Black + Blum

People Also Bought

A flat lay of kitchen items on an orange background, including two lemons (one sliced), a cutting board, two cream-colored frying pans with gold handles, oven mitt, green olive oil bottle and can, and a carrot cake muffin mix pouch.
3,000+ BANNED INGREDIENTS

Healthier cookware, pantry staples, and more.

From snacks to saucepans, every product is reviewed to meet strict ingredient and material standards — reducing exposure to unwanted additives and plastics in your food and kitchen.

Three white silicone spatulas with colorful confetti-like speckles, displayed in different sizes against an orange circle background.

Screened for unwanted additives

Made without BPA, PFAS, melamine, or artificial preservatives

A stack of colorful, empty cupcake liners arranged on an orange circular background with one white liner set apart at the top.

Built for better cooking

Crafted from stainless steel, silicone, ceramic, and glass — not plastic

Two dark glass bottles of extra virgin olive oil with beige labels, one standing upright and one lying down, are placed on an orange circular background.

Less plastic, fewer microplastics

Reduced-plastic options that help limit waste and microplastic exposure

A close-up of a human fingertip with colorful microplastic particles on the skin, and images of a plastic bag, bottle, and six-pack ring layered in the corner, highlighting plastic pollution.

Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog

Shop Beyond Plastic™

Recently Viewed