YARN Acrylic White w Colorful Flecks Big Twist Value FULL SKEIN 100% Acrylic Yarn for homemade projects, fiber arts, knitting, knit, crochet, macramé, weaving, stash enhancing, rainy day hand crafted projects. Handmade, hand made, handcrafted Destashing; bundle to make your own yarn lot! Worsted weight or 4 weight yarn is a medium weight yarn; thicker than sock and sport weight and thinner than bulky weight yarn. Great for knitting or crocheting sweaters, hats, scarves, mittens, blankets, amigurumi, and more. Recommended Knitting Needle Size: US 7-9 or 4.5mm-5.5mm Recommended Crochet Hook Size: I-9 to K-10 ½ or 5.5mm – 6.5mm Common Gauge over 4 inches: Knitting Stockinette: 16-20 stitches Crochet Single Crochet: 11-14 stitches Acrylic is a synthetic manmade polymer (plastic) fiber created through a chemical process.