Red Heart Comfort Sport Yarn. A classic acrylic sport weight yarn that is machine washable and dryable for easy care. Available in hot selling colors and is great for apparel and home decor. Weight category: 3. Content: 100% Acrylic. Put-up: Solids: 12.35oz/350g 1144yds/1050m. Crystal: 9oz/280g 702yds/642m. Gauge: Knit: 22st x 30r = 4in/10cm on size US6/4mm needles. Crochet: 17s x 18r = 4ion/10cm on size US7/4.5mm hook. No dyelot solids. Dyelotted Multi’s: We try but are not always able to match dyelots. Care: Machine wash tumble dry do not bleach do not iron dry Cleanable.