"Rubber Duckie, where are you?" You're on top of my car! Great Boy Duck antenna ball topper will help locate in any parking lot. Made from plastic, not for use with retractable antennas. Find other 'ducky' toppers at http://www.amazon.com/s.html/002-2627897-3651218?ie=UTF8&index=merchants&me=A1FS99TXK5K04A
