Triple Pocket Files maximize your work space. They perform the same function as traditional desk accessories while customizing your panel. File set adjusts to hang on cubicle walls from 1-1/4" to 3-1/2" thick. They hold letter-size or A4-size files or papers. Three pockets allow efficient sorting of contents. File is made of high-impact plastic.Triple Pocket Files maximize your work space. They perform the same function as traditional desk accessories while customizing your panel. File set adjusts to hang on cubicle walls from 1-1/4" to 3-1/2" thick. They hold letter-size or A4-size files or papers. Three pockets allow efficient sorting of contents. File is made of high-impact plastic.