VALDANI Hand-Overdyed Perle Cotton. This Overdyed thread is a highly decorative, double twisted, indivisible long staple 100% cotton thread that has been double-dyed to achieve an amazing depth and profusion to colors. These threads are ready for machine and hand embroidery, decorative stitching, and top stitching. Each ball contains 109.36yd/100m. Available in a variety of thread sizes and color combinations. Imported.