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Lava Lunch
Size & Color

Lava Lunch Box takes your everyday cold lunch and elevates it to a countdown worthy meal. Designed to keep your lunch both hot and cold by using our Lava Rocks, you’ll never have to settle for a cold boring lunch again.

Features:

  • Keeps food hot for up to 5 hours with the included Lava Rocks heating system
  • Separate compartments for both hot and cold foods
  • Easy wipe clean liner
  • BPA-free and food-safe materials
Specifications

Standard

  • Size: 7" x 5.5" x 10"
  • Material: Shell is 3mm neoprene and contains a food-safe, heat-reflective, water-resistant liner
  • Includes 2 Lava Rocks (5" x 7")

What size tupperware fits in the Standard size Lava Lunch?
Containers 7 inches by 5 inches and up to 2.5 inches tall will fit comfortably in the Lava Lunch with both Lava Rocks.  With just one Lava Rock you can fit containers up to 3 inches tall.

Large

  • Size: 8.5" x 6" x 10"
  • Material: shell is 3mm neoprene and contains a food-safe, heat-reflective, water-resistant liner
  • Includes 2 Lava Rocks (5" x 7")

What size tupperware fits in the Large size Lava Lunch?
Containers 8 inches by 5.5 inches and up to 3.5 inches tall will fit comfortably in the Lava Lunch with both Lava Rocks. With just one Lava Rock you can fit containers up to 4 inches tall.

Care Instructions

The Lava Lunch and Lava Rocks can be cleaned with a warm, wet cloth, and, when needed, a light soap. Store in a clean and dry place.

How to Use

Heat lava rocks, following the instructions provided, in the microwave. Place both meal and lava rocks into the insulated compartment. Get ready for your hot lunch on the go!

See more instructions

Founder's Story

Lava Lunch is the solution for anyone tired of cold leftovers or soggy sandwiches halfway through the day. Traditional lunch bags keep food cool — great for salads, but terrible when you want something warm. Lava Lunch flips that, using microwaveable “lava rocks” and insulated liners to keep meals hot for up to 5 hours. 

Its design is smart, functional, and dependable. Separate compartments let you manage hot and cold elements in the same bag.  Made from durable materials and free from BPA, PVC, phthalates, and other nasties, it’s built to last and safe for daily use. 

But what really sets Lava Lunch apart is how it lets you take your favorite home-cooked meals with you — the kind of meals you’d never want to settle for cold. Lasagna, burritos, grilled chicken — it handles all of them. 

It’s also a thoughtful gift. Unlike a trendy gadget that ends up collecting dust, Lava Lunch is useful every single day. For students, office workers, commuters, or health-conscious folks who prefer bringing real food — it’s a gift that says you care about comfort, quality, and practicality.

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