Zip Tensioned Vertical Blind - 869 Markilux Australia Operation Automatic Construction Retractable Max Width 6000 Max Drop 6000 Fabric Material Sunsilk SNC, Sunvas SNC, Tea Time Range, Transolair, Perfotex, Perla FR and Soltis 92 Linkable true Features Wind resistance class 2 or 3 Vario-belt tensioning system, the cover is supremely taut and maintains strong resistance to wind. Ideal solar protection for large window systems with its zip technology. Markilux Australia