Axelgaard ValuTrode Foam Electrodes feature the same construction as ValuTrode Cloth electrodes, but with a white foam top. Every lead wire interface is customized for each electrode shape and size to optimize current distribution. Features Axelgaard ValuTrode Foam Electrodes Features White foam top. Axelgaard’s patented multi-layer MultiStick hydrogel. Offers extreme durability. Allow for multiple applications to the skin. Sizes Axelgaard ValuTrode Foam Electrodes Sizes #CFF125: Round - 1.25" (3.2 cm). #CFF200: Round - 2" (5 cm). #CFF275: Round - 2.75" (7 cm). #CFF202: Square - 2" x 2" (5 cm x 5 cm). #CFF153: Rectangle - 1.5" x 3.5" (4 cm x 9 cm). #CFF203: Rectangle - 2" x 3.5" (5 cm x 9 cm). #CFF305: Rectangle - 3" x 5" (7.5 cm x 13 cm). #CFF152: Oval - 1.5" x 2.5" (4 cm x 6.4 cm). #CFF204: Oval - 2" x 4" (5 cm x 10 cm). Literature Axelgaard ValuTrode Foam Electrodes Literature Axelgaard Electrode Care Tips Axelgaard Electrode Catalogue Axelgaard Electrode FAQ Sheet Axelgaard MultiStick Gel Safety Data Sheet Axelgaard ValuTrode Foam Electrodes Statement of Sustainability Axelgaard ValuTrode Foam Electrodes Statement of Sustainability EU