For 100% polyester fabrics use 1.5 lb. of dye per 100 lbs. of fabric (1.5% OWG) to get medium shades. (With black, you are going to get more of a charcoal grey with this product.) That would be 6 - 4 oz packets, so 3 for 50 lbs. of fabric, etc.
XML data type was introduced in SQL Server 2005. This type allows you to store XML data up to 2 GB. Here is a small example of, pretty much self-explanatory.
XMLElement() function is based on the emerging SQL XML standard. It takes an element name, an optional collection of attributes for the element, and zero or more arguments that make up the element content and returns an instance of type XMLType. See Figure 15-1.