Trimaco E-Z Floor Guards work by placing a sheet of adhesive plastic film on the bottom of your shoe or boot to avoid tracking dirt and debris into a jobsite. Simply STEP, PULL and TEAR. No need to bend over and struggle to apply like traditional shoe covers. Going back outside? Don't bother removing the film, just reapply a new layer as you re-enter the jobsite. Keep your jobsite clean with the easy to use and economical E-Z Floor Guards.