A packaging design company in the U.K. has developed a corrugated box with a wool lining that's used to keep temperatures cool for products like frozen food, packagingnews.co.uk reports. The "woolcool boxes" by AMA Consultants are made from recycled corrugated board. The wool lining the box can lower the temperature by five degrees. The wool fibers have overlapping scales and absorb airborne water molecules. They provide a natural insulation solution.
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