Connecting Threads 100% Cotton Thread Sets - 1200 Yard Spools (Old Glory - set of 5) 5 spools - Size 50/3, 100% Cotton, 1200 yards each Includes richly nostalgic hues of blue, red, and yellow perfect for americana-inspired sewing projects Extra-long staple cotton, which produces a smoother thread with less lint Satin Finish--Mercerized for a stronger, more lustrous finish Fits standard sewing machine spindles