Caron-Century Collection. When it comes to value, nothing beats Caron (R) One Pound (TM)! This machine washable and dryable worsted weight yarn has a wide range of shades and is available in an economical one pound skein. To celebrate 100 years Caron (R) has introduced the One Pound Century Collection (TM). One skein makes four full-sized scarves. Weight category: 4. Content: 100% HB acrylic. Putup: 16oz/453.6g, 595yd/544m. Gauge: 16sx20r = 4in/10cm on size US8/5mm knitting needles. 12scx13r on H8/5mm crochet hook. Dyelotted. Care: machine wash warm, tumble dry low.