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