... from leading manufacturer Super conductive, uniform,no hot spot All-weather gel, more reuses CE,510K Certificate & approval:LIXPAD ... 4.0", 50mm x 100mm, square, prewiredBacking material: White non-woven clothPackage: 4pcs per re-sealable bag, 1000 ... therapy devices are self-adhesive, reusable and durable2. Superior all-weather hydrogel: Biocompatible, good environmental adaptability, dry-out resisting3. ...