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I picked up a package of 3M Command hooks, figuring I could slip the metal loop through the criss-cross caging on my file box. Next, I measured the distance between the two holes and put pencil marks on the side of the vanity. Using those marks, I exposed the 3M tape on the back of the hooks and got those suckers good and stuck to the surface. The last step was to slip the file box in place over the hooks and fill ‘er up.
Chek all the instructions here: File Box Bathroom Appliance Storage