Prevent knots and unwound spools with the Art Bin Super Satchel Box. This box keeps your thread organized in one place, and can hold a variety of spool sizes. The clever design helps prevent thread from falling or migrating if the box is turned sideways or upside down. The trays can be removed for easy access in your work area--use the box to store fabric scraps and quilt squares. Secure latches and carrying handle.