Floss-Pak 100 Bag Pack. The Floss-Pak is the easy-to-use way to keep all types of needlework threads clean, organized, and protected. The 3”x5” zip close bags have a write-on area for the color number. The Floss-Pak costs only pennies per zip-close bag. The Floss-Pak is a good Investment even for the occasional stitcher, and will more than pay for itself, no more lost skeins, no more tangled balls of thread that eventually get thrown away. The Floss-Pak keeps each skein as fresh and clean as the day you bought it. A great way to organize your embroidery floss or other threads.