ProIDMag Magnetic Badge Holders with Plastic Back Plate and Adhesive Tape, Dark Blue/Black, 10 Sets (NAID1647)
We have been in the engraving business since 1985, and these are the best, strongest magnets around. The set includes one plastic plate with round neodymium magnets and one steel plate with pressure-sensitive foam tape. Don't damage your clothing any longer with pins!