HunterDouglas® Vertical Blinds Fabrics offer the widest selection available including a broad range of exclusive designs created expressly for HunterDouglas®. Also available: three special fabric treatments including HunterDouglas® Topar® for heat reflection, HunterDouglas® DustBlock™ to repel dirt and moisture, and HunterDouglas® SanaPlus™ anti-bacterial treatment.