Sewing, Crafts, Art Storage Bags(8 Pieces) eachd bag 12x10x4 Sewing Storage Bags, Yarn Storage Bags, Craft Storage Bags Bead Storage Bags, Thread Storage Bags FAST SHIPPING BY PRIORITY MAIL. Bags measure 12x10x4. See- thru vinyl perfect for storing yarns, fabrics, craft supplies. BUY two sets get a third set for free.