Alustra Duette Honeycomb Shades Combining style with function, Hunter Douglas' Alustra® Duette® honeycomb shades feature the dramatic dimension of 1 1/4" pleats in five distinctive fabrics. With their unique textures and versatile opacities ranging from sheer to opaque, these fabrics offer an array of magical looks that can elevate any interior to a level of unprecedented design perfection.