"These pencils add a new level to your creativity The brilliant colours with a silky and smooth colour laydown are all water-soluble With a touch of the wet brush (attached) you can turn the pencil to paint and create brilliant drawings with unique colour gradients and special designs But no need to worry if the painting lesson gets a bit messy: the pencil can be washed out of most fabrics The pencils as such come in hexagonal shape and of course with the special SV bonding to prevent breakage Rich water soluble colours transform into brilliant watercolours when brushed with water, creating unlimited shade options Smooth thick 3.3mm leads Paint brush,l included on pack