Caron(R) Colorama(TM) is a chunky striping yarn that combines the convenience of pre-coordinated shades with the anti-tangle O'Go put up, making Caron(R) Colorama(TM) product for both new and experienced stitchers. Weight Category: 4. Content: 100% Acrylic. Put up: 6.4oz/180g, 228yd/208m. Gauge: 13sx18r=4in/10cm on size US 10/6mm knitting needles. Suggested crochet hook size: US J10/6mm. Dyelotted: we try but are not always able to match dyelots. Machine wash and dry. Imported.