Aurifil's Wool 12 wt thread is a lovely, soft blend of 50% Acrylic and 50% Wool. It is available in 192 unique colors on a red spool. Use this thread when you want to create texture or visually pleasing details. It can also be used for Single or Double Strand Cross Stitch, Hand Embroidery, Machine Appliqué, Machine Quilting, and Lower Looper Serging. *Product cannot to be sold on any 3rd Party site such as Amazon, Etsy, Ebay or any other 3rd Party sites, unless approved by the manufacturer.* Uses: Single or Double Strand Cross Stitch, Hand Embroidery, Machine Appliqué, Machine Quilting, Lower Looper Serger. Needle Recommendations: 90/14 Topstitch Needle (50 wt in the bobbin) 100/16 Needle with 40 wt in the bobbin. Use the largest Long arm Needle possible (28 wt in the bobbin).