Specifications include, but are not limited to: 1. FABRIC WEIGHT: A 10% plus/minus variation in below listed fabric weights and thread counts shall be acceptable. 2. DYE RETENTION: Fabrics used in any and all items furnished under any and all contracts resulting from this Invitation for Bid shall meet or exceed the color fastness requirements set forth below: A. ITEMS REQUIRING DRY CLEANING: Color fastness of fabric subjected to 25 commercial dry cleanings shall be in compliance with the National Association of Textile Chemists and Colorists "Rate Class 4". B. WASHABLES: Color fastness of fabric subjected to 20 commercial launderings shall be in compliance with the National Association of Textile Chemists and Colorists "Rate Class 3.5". All fabrics, regardless of their being of a dry cleanable or washable nature, shall withstand 40 standard fading hours (carbon arc fadeometer) without noticeable change in shade.