Batyline Fabric by Serge Ferrari. MAIORI chooses the most rigorous Outdoor Technical Fabric (OTF) from Serge Ferrari. The fabric is made of UV-resistant, mass-colored PVC fiber that does not fade under the sun. It is water-repellent and resistant to chlorine and seawater. It can be used outdoors, indoors and under extreme temperatures -30°C (-22°F) to +70°C (158°F). It is 100% recyclable and contains no toxins.