SULKY-Slimline Storage Box is perfect for all of your threads! Beautifully organizes up to 104 small Sulky Snap-End Spools. Use free-standing partially opened near your machine or fully opened and hung on a wall. Empty Storage Box is lightweight (only 4 pounds when filled); made of translucent plastic with a convenient carry handle. All spools are clearly visible and easily accessible; remove a spool with the exclusive lifting tab-spools will not fall out. Pre-printed marking strips are available free from Sulky of America. An order form is included with each Sulky Slimline Storage Box. Size: 13Hx13Wx2D when closed.