Red Heart Rhb Boulevard Blueprint 73% Acrylic 16% Nylon 11% Wool Imported RED HEART Boulevard yarn is thick and lightweight It is Made of 73Percent Acrylic, 16Percent nylon and 11Percent wool fibers Size us 10 knitting needle and size k-10.5 Crochet hook recommended Approximately 57 yards Machine wash cold, gentle cycle; dry flat Size 7 Jumbo 73% Acrylic 16% Nylon 11% Wool 57 yds. (52 m) per 4 oz. (113 g) Make a cowl in one ball