What are the outside measurements and total weights of the different sizes?

Do not know about all sizes. Mine is approximately 7x5x4 . The weight depends on how many "heaters" you take. Empty weighs 12.6 oz and heaters are 2oz each. This is good flameless cooking method but the heaters make a bit impractical for too long a trip. I stow mine with 6 heaters inside and use only when necessary. ie, can not build fire.

Where can i find recipes for barocook rectangular flameless cookware system? maybe a cook book?

I don't believe there is a cookbook available other than instructions on the packets.

Can you cook a thawed out hamburger in this?

Yes you can. But you need to use more than one packet to do it. I used Barocook for every meal for a week after a hurricane. I boiled water, cooked raw food, etc. Two of the large heater packs does it. I've also taken rock hard frozen food and cooked. You need some liquid to help transfer the heat.

Does this process produce an odor or smell -- aside from the food being cooked? (like a toxic chemical emission?)

I didn’t notice an odor or smell when my daughter and I used it. It didn’t set off my air purifier’s alarm or my carbon monoxide detector.

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🔥 Heat Up Your Day, No Flame Required!

SUSTAINABLY SMART - Disposable, water-activated heat packs minimize waste and maximize convenience—join the movement towards greener dining.
COMPACT POWERHOUSE - At just 0.4 kg and sized to fit in any bag, it’s the ultimate companion for office lunches, hikes, or survival kits.
JUST ADD WATER HEAT - Activate the eco-friendly, non-toxic heat pack with water and enjoy a hot meal in 40-60 minutes—simplicity meets innovation.
FIRE FREE GOURMET ANYWHERE - Heat your meals up to 208ºF without gas, fire, or electricity—perfect for the eco-conscious professional on the move.
SLEEK STAINLESS STEEL DESIGN - Durable, BPA-free, and stylish—carry your lunch in a container that matches your modern lifestyle and values.

The Rectangular Flameless Cookware System by Barocook offers a portable, eco-friendly way to heat meals up to 208ºF without fire, gas, or electricity. Featuring an 850 ml stainless steel inner bowl and BPA-free outer container, it’s lightweight and compact for easy transport. The included water-activated, non-toxic heat pack heats food in 40-60 minutes, making it ideal for camping, office lunches, or emergency kits.

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RM508

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Malaysiastore

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Item Package Dimensions L x W x H	7.68 x 5.55 x 4.88 inches
Package Weight	0.6 Kilograms
Item Dimensions LxWxH	8 x 6 x 4 inches
Item Weight	0.4 Kilograms
Brand Name	Barocook
Country of Origin	Republic of Korea
Material	Stainless-Steel
Manufacturer	Barocook America Corporation
Part Number	BC-003-D
Model Year	2013
Size	28-Ounce

Rectangular Flameless Cookware System

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