MirorTag Silver by JL Safety- A Novel Way to Protect, Display & Put Away a Handicapped Parking Placard. Slip in your handicap tag into this thick holder that unlike others, this one comes with a detachable strong hook that will never melt or bend or break in the sun. Holder will MAGNETICALLY snap On & Off to a Hook you mount behind your rearview mirror once. Full protection, and ON and OFF in a snap. Tag size accepted is 4.125" max, and any length. Maximum mirror post diameter 1". Made in USA