What is the properties of the poly cotton fabrics?

Cotton-poly fabric is made combining strands of cotton and polyester. This blend is usually quite comfortable because it combines the natural effects of cotton for softness and moisture absorption with the no-iron crispness of polyester. Usually, whichever fiber content is listed first is the dominant fiber, meaning in a cotton poly mixture that is 51% cotton and 49% polyester cotton would be listed first.

A standard everyday poly cotton mix is 65% Polyester 35% cotton, normally the contruction of standard bedsheets, bedlinen etc