SPINRITE-Phentex: Slipper & Craft Yarn. This long-wearing yarn is perfect for projects where durability is of concern. It will not stretch or shrink and the colors are non-fading. Weight category: 5. Content: 100% Olefin Exelon, 3oz/85g, 164yd/150m. Gauge: 15st x 22r = 4in/10cm on US 9/535mm needle or hook. Care: Machine washable in lukewarm water, tumble dry, do not bleach, do not iron, do not dry clean. Made in Canada.