Thank you for showing your interest in Re-Ply Self-Adhering Reusable Stimulating Electrode 2" X 2" Solid Gel from Unipatch (UP). The Re-Ply Self-Adhering Reusable Stimulating Electrode 2" X 2" Solid Gel is a product of Unipatch and is thereby made of the highest quality. If you have any questions regarding Re-Ply Self-Adhering Reusable Stimulating Electrode 2" X 2" Solid Gel or any product in Unipatch (UP), please contact us. Our experienced personnel will answer any questions you have about Re-Ply Self-Adhering Reusable Stimulating Electrode 2" X 2" Solid Gel. Also, if you are interested in purchasing large quantities of Re-Ply Self-Adhering Reusable Stimulating Electrode 2" X 2" Solid Gel or any Unipatch (UP), please contact Customer Service.