Caron Colorama Halo Yarn - Ivy & Olive. Caron(r) Colorama Halo™, is the perfect yarn for both beginners and experienced crafters alike! This bulky-weight acrylic striping yarn easily creates beautiful, approachable fashion pieces. With its luxuriously soft and textured feel, possibilities are endless. Weight Category: 5. Content: 71% Acrylic/18% Nylon/11% Polyester. Put up: 8oz/227gr, 481yd/440m. Gauge: 15stX20r=4in/10cm on size US10/6mm knitting needles. Suggested crochet hook size: J10/6mm. Dyelotted: we try but are not always able to match dyelots. Available in a variety of colors. Each sold separately. Machine Wash Cold, Delicate/Gentle Cycle, Do Not Bleach, Tumble Dry Low Heat, Delicate/Gentle Cycle, Do Not Iron, Do Not Dry Clean.