Control inventory labels are used for quality control and directional purposes. Box number (blank) of total labels, must ship today labels, inspected, OK to ship, special order, rejected, and other control labels give you a greater degree of control over stock and inventory and ensures that the proper actions are taken for each item. These labels are also useful to prevent shipments from getting split up, by indicating it is box 1 of 2, you know there is another box that must be shipped. Keep your inventory up to date with 1-3/8" x 2" rectangular inventory control labels.