Sewing Thread -- Polyester -- Heavy Duty Black and White -- for Sewing Machine, Quilting 1100 Yard (1000 meter) 10 pack -- Yazycraft Material -- 100% Polyester Color Choices -- 5 black; 5 white Detail -- Extra strong all-purpose thread; each spool contains roughly 1100 yards of thread. Does not become hairy with use Dimensions -- Cone is 2.5" * 1" at base, weighing 1.1 Oz. Yazycraft Guarantee -- We aim not just to meet but to exceed our customers expectations. Dont hesitate to leave us a message if you have any problems and well keep in touch