Get all your favorites in this 6-pack Sampler of our 40 Wt. Rayon Thread. Get 3 times more thread than our 250 yd. Snapspools offer with these 850 yd. King Spools. All Sulky Rayon Embroidery Thread is made from the highest quality raw goods in the world so you will not have problems with thread breaking, unraveling, or deteriorating.