Sulky rayon thread available at Gunold is the exact same Sulky thread that home embroiderers have used and enjoyed for decades. The difference is that now Gunold sells Sulky 40 wt. rayon thread in 5,500 yard cones for the commercial embroiderer. With the same smooth operation, high tensile strength and colors home embroiderers enjoy, Sulky Rayon thread is a must have for any wholesale embroidery arsenal.