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.
Creating XML Database Objects. SQL Server lets you assign the XML data type to columns, variables, or parameters and store in any of these objects either XML documents or fragments. The data is considered a document if it has a single top-level element. Otherwise it falls under the category of fragment.