Our meshes are subject to strict quality control. They are tested and certified. Like many top products, they are also imitated. In the future, you can check their authenticity. We are beginning to manufacture our TECCO® meshes with a barcode and will with all our meshes moving forward. If you suspect a barcode is not authentic, please send us the code or a picture of it. Geobrugg will verify its authenticity and notify you.