Egyptian cotton

noun

a variety of Sea Island cotton, having silky, strong fibers, grown chiefly in northern Africa.

Origin of Egyptian cotton

First recorded in 1875–80

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

I was expecting plush Egyptian-cotton thingies with the Playboy logo embroidered on them.
The Sadly Underwhelming Playboy Mansion
David Frum
February 6, 2013