Count: 40/2 (yon maru soushi) ※ 40/2 means two strands of 40-count single yarn twisted together. The material is 100% polyester. Approximately 600M per spool, 12 spools per box, total length 7200M. When using with a sewing machine, you can sew smoothly without thread breakage!! Please use it for your handmade projects☆ Note: There may be some debris, such as scraps, attached inside the box. The attachments can be easily removed. The colors inside may slightly differ, and the box's description may vary. Please understand this before purchasing. Item → Sewing thread / Imported Material → 100% Polyester Color/Pattern → Solid / Pack of 12 Length → Approximately 600M per spool, total length 7200M Uses → Clothing, accessories, bags, etc... ♡ Please search for other products sold by 'SpringYou'