These are old tea towels from hotel/restaurant kitchens.  After being through the laundry process they are rejected due to small burn marks or stains.
Highly absorbent. They make a brilliant lint free wiper due to the hemmed edges.

Absorbency, Lint Free and Polishing Qualities:

0
Absorbency – 10
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Lint Free – 10
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Polishing Qualities – 4