[. . . ] Even when our forefathers lived in caves, they clothed themselves in leather. [. . . ] The side panels of the ENA are finished exclusively with unblemished, high-quality cowhide, which has to meet the same high quality standards as the material used in the interiors of luxury automobiles. We also go to great lengths to ensure that trimming and dyeing are environment-friendly. For this reason, the materials and dyes used are water-based and contain no harmful substances. Rather like a fingerprint, the organic structure of the leather gives every ENA an individual face of its own. A great deal of craftsmanship and years of experience go into the distinctive character of the leather stitching. Instructions on caring for leather Do not use any aggressive cleaning agents or hard cleaning items. [. . . ] Any variations and deviations in colour are a sign of this product's genuinely natural quality. [. . . ]