Latex-free * 2  X 4  Rect 4/pkg * Self-adhering Solid Gel Electrodes Are Easy To Apply And Reposition * Contructed Of Flexible  Durable  And Low Profile Materials For Conformability And Comfort * Variety Of Shapes And Sizes Make These Electrodes Adaptable To Most Treatment Sites * Multiple Applications From 10-15 Days * Shipping Carton Size: 9 L X 6 W X 4 H