16 popular solid colors of Sulky 40 Wt. Rayon thread on 850 yd. spools. Great for the beginner machine embroiderer who is building their thread collection or a more experienced machine embroiderer who needs to restock their basic colors. These 16 colors come in a Universal Slimline Box, the perfect storage system for all of your threads. You Save - $26.84 off the total Retail Price of $146.79, if purchased separately!