CMS Magnetics Name Badge Magnets Model BM-2Mag-2, 100 Sets Made of Strong Neodymium Magnets, 2 Dot Magnets Per Attachment Stainless Steel Back Plate Won't Rust in Wet Environment Easy Peel-Off 3M Adhesives Pre-Applied on the Back Plate 1.8" Long X 1/2" Wide X 5/32" Thick 8 lbs Holding Power Per Set Set of 100 name badge magnets