Wonderfil Hologram Glitter Decorative Thread 328 yards (300 meters) blue 8157 Glitter is not a thread in the traditional sense, but a thinly sliced decorative film that gives the appearance of liquid light to sewing projects. The resulting product is a natural reflector of a virtual rainbow of colors. Hologram effect adds sparkle and dimension. Wash, dry, iron safe. For decorative stitching, applique, or quilting. 400yard spools. Purchase by the box of 8 spools.