Treasure Chest Butterfly Flag Ribbon Yarn - 50 Gram Weight :1.764 Oz. each skein. Length :164 yards each skein Fiber Content - 100% Polyester Needle Size - 3.5-4 mm / US 4-6 Washing Instructions - Hand Wash, Dry Flat Butterfly Flag Ribbon Yarn for Fiber Jewelry, Crafts, ScrapBooking, Knitting, Weaving & Crochet