Ten20 is a conductive and adhesive paste specifically formulated for use with non disposable neurodiagnostic electrodes. Ten20 Conductive Paste will hold the electrodes in place so there is no need to disrupt a test to reattach the electrodes. Washable, non-drying formula. Simply wash with warm water to remove; no harsh chemicals are required. Ten20 Conductive Paste is supplied in a three-pack of convenient jars. All products are packaged in easy to store boxes that should be stored at room temperature. Every product has a three-year shelf-life marked on the box and the individual containers. . WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov