This box holds a variety of thread from the smallest diameter to the newest size spools. Easily remove thread trays for use in work area or a stationary storage shelf and use the box for storage of fabrics or quilt squares. Thread will not fall off the pegs or migrate if the box is turned sideways or upside down. Features secure latches and carrying handle. All Super Satchel boxes are acid free and are designed to easily stack and work together.Formaat 15X14X3.5