Make a beautiful, bolder statement on your quilting, serging, embroidery, handwork and other decorative projects with Sulky 12 Wt. Cotton Thread. The 330 yard spool is the perfect size for your most loved colors or when you want to ensure you don?t run out in the middle of your masterpiece! It is 40% thicker than 30 wt. Cotton. All Sulky Cotton threads are premier quality, long staple, highly mercerized Egyptian cotton with a matte finish to create a soft, warm, natural look and feel. Most critical to its quality is that it is dyed and finished in Italy, which is why you see "Made in Italy" on the spool. Hand Weight: Heavy. Recommended Needle 1: 16/100, Rcommended Needle 2: 16/100 Topstitch.