25 Sets Super Strong 2 Piece Triple Magnet Fastener with easy peel Tab and Strong Adhesive Back for Name Tags and Identification Badges 25 sets Super Strong Triple Magnet 2 piece Name Badge Fastener 25pk Bulk Premium Self Adhesive foam tape with tab attached to bottom plate / piece for easy peel an stick application Measures 1 3/4inch x 1/2inch and approx. 1/4inch thick when together These Magnetic Name Badge Fasteners are the Strongest We Have Ever Found Do NOT use these if you have a pacemaker