Universal slimline storage box is perfect for all of your threads. Beautifully organizes up to 64-large and small sulky snap-end spools, plus the small and next larger size spools of most major brands. Use free-standing partially opened near your machine or fully opened and hung on a wall. Empty storage box is lightweight (only 6-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. Size-15H by 15W by 3D when closed.