Aurifil 50 wt. thread is made from Long Staple Egyptian Cotton making for a strong thread that will not leave a bunch of lint in your machine. This high-quality thread has a smooth consistency to help avoid tension issues as you sew. The diameter of this light-weight thread is perfect for stitching an accurate 1/4" seam. Quilters love it! Also great for Hand Appliqu_, Hand Piecing, and Machine Appliqu_.