Now you can safely, securely leave your Handicap Sign on your rearview mirror all the time with this clear plastic, double-swivel placard holder. Simply attach the large clip to the rearviewmirror for support, then twist the wide clip to hold placard in place above and/or behind mirror. Leave the placard down while parked; rotate behind the mirror when you are driving. Storage problem is eliminated and your sign stays intact longer! Placard is visible from front for compliance and can be used for any other ID sign you might need in your car. Constructed of durable plastic and metal. 4 1/2"H x 3 1/2"W.