LION BRAND-Keppi Yarn. This medium weight yarn makes a hat from baby to adult size small in just one ball! Perfect for knit and crochet projects. Weight category: 4. Content: 80% acrylic/20% polyester. Putup: 2.3oz/65g; 104yd/95m. Gauge: 17sx24r=4in/10cm on size US8/5mm knitting needles. Suggested crochet hook size I9/5.5mm. Dyelotted: we try but are not always able to match dyelots. Care: Hand wash; dry flat; do not bleach; do not iron; dry clean using P solvents only. Comes in a variety of colors. Each sold separately. Imported.