Adjustable and Removable Bins Are Color Coded for Easy Organization of Parts and Tools,Includes 9 Small Red Bins, 9 Small Yellow Bins and 12 Large Blue Bins.,Durable Construction for Heavy Duty Use,Removable Bins Easily Attach to Slat Wall Display Boads,Bin Capacity Red Yellow Bins Hold 12 Cubic Inches and Blue Bins Hold 76 Cubic Inches