THREAD SPOOL: Features one 300 yard spool of 50-weight thread made from two plies of polyester SEWING THREAD: Sew Complete is a 50-weight (standard sewing weight) poly-wrapped poly core thread DURABLE THREAD: Strong yet fine, your machine will enjoy smooth stitches with Sew Complete GREAT FOR CRAFTING: Sew Complete spools fit standard sewing machine spindles and are great for all levels of crafting, quilting, general sewing, and home décor sewing projects Superior Threads Sew Complete thread is a 50 Wt. (Standard sewing weight) poly-wrapped poly core thread which has been created specifically for crafting, general sewing, and home decor sewing. Sewing with Sew Complete will solve many frustrations and provide smooth stitches, reduced puckering on fabrics, and because of its strength, will minimize thread breaks. Strong yet fine, you will enjoy working on your projects with Sew Complete!