office curtains 1 Polyester 2 Cover,up and down rails made of aluminium alloy 3 Manul/auto available Office zebra curtains 1.sheer blinds, also called zebra blinds, are refined, elegant and versatile window treatments. Comparable to the Silhouette, sheer horizontal blinds feature two sheer fabric facings over soft fabric vanes. Sheer vertical blinds feature a light filtering material between ...