Bernat Pop is a 100% acrylic self-striping yarn that is sure to be a favorite! Feaaturing 26 distinct shades, you can create soft and durable striped projects without having to weave in any ends. Weight category: 4. Content: 100% Acrylic. Gauge: 5oz/140g, 280yd/256m. Gauge: 16sx20r = 4in/10cm on size US8/5mm knitting needles. Suggested crochet hook size H8. Dyelotted: we try but are not always able to match dyelots. Care: Machine wash and dry, do not bleach, do not iron, do not dry clean. Comes in a variety of colors. Each sold separately. Imported.