This category of Hunter Douglas Vertical Blinds consists of the fabrics Dorie and Wide Wale. Dorie is stitchbond fabric made from 100% polyester with white foam backing. It is a room darkening vertical, which provides a medium level of privacy. Wide Wale is a stitchbond fabric made from 100% polyester that provides a moderate level of privacy. This product does a great job of blocking out the sun and much of the heat while allowing light to filter through. T ... (see Description Tab below)