Silk dupioni with slubs SANDWASHED / Indian raw silk dupion 54 inches wide, A sand wash finish on Indian raw silk dupion creates a luxurious feel by imparting a smooth and silky texture to the fabric, enhancing its overall appeal and richness. A sand wash finish on silk involves a process where the fabric is treated to achieve a soft, textured feel. This technique uses fine sand or abrasive materials to gently rub the surface, resulting in a smoother and luxurious texture on the silk fabric ,natural color available