Pebeo Setasilk Silk Painting Water Based Gutta 20-Milliliter Tube, Colourless The colorless water based gutta is available in 20ml metal tubes with nozzle and in 250ml bottles The setasilk water based guttas can be used on all types of silk; the colors are air dry in 30 minutes The setasilk water based colorless gutta can be washed out 48 hours after fixing leaving a white line where it was applied the decorated fabrics resist hand washing and dry cleaning after being fixed The Setasilk Water Based Guttas are used directly from the tube and nozzle or from a pipette and Gutta nib