Size: 40 mm*60 mm.replacement gel muscle stimulators accessories for EMS muscle stimulator. Gel actopp gel is used to connect the electrodes of the EMS elettrostimotore muscle to the skin it is enough that attacks the pad gel to the electrodes helps you to have the highest efficiency of the electrostimulator.The gel pad for professional muscle stimulator have a long service life. The shelf life can be lengthenwhich depends on the way of use and the means of preservation. We recommend that before using it clean the skin with alcohol to prolong the life of the product.Gel pads are made of high quality materials are very soft and particularly delicate on the skin. In addition they have the characteristics of a good viscosity self-adhesive and reusable.