Corrugated fiberboard construction with wood side panels for extra strength. Stackable for high volume needs. Built-in tube length adjuster tabs let you customize tube lengths and store multiple size documents in the same file. Labeling grid on inside front flap for easy identification of contents. 

• 18 3-3/4"x 3-3/4"-square compartments
• Maximum drawing length is 36" 
• Easy to assemble
• White finish
• Sold two files per box