Floss-Pak 100 Bags/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. 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.