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.