Effective inventory control at a glance! Akro-Mils???Ñ two-toned Indicator Bin is a single-bin system featuring a colored trigger side to indicate low inventory and prevent stock-outs and assembly line interruptions. Never run out of inventory! Easy to Use! Stock the Indicator Bin using the divider to designate volume for the inventory reserve. Pick from the blue side of the bin unti you reach the divider. Flip the bin to the orange to indicate low stock. Refill the bin and repeat.