... 1) Button Badge is good for promotion 2) Material: metal or tin 3) Various shapes and designs are welcome Item NameMetal or ... )2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 5.0, 5.5, 5.8, 6.0, 6.3, 7.5, 9.0, 10.0, 15.0Other ShapeHeart ... , Square, RctangleBack of BadgePlastic or metal ...