Water soluble marking pencil in display bucket. Bluex30 pcs and Whitex30pcs. Individually barcoded. ( 3-mm ) Non-toxic pencil lead. Easily removed with damp cloth or cold washing. Easy to use twist barrel can extend pencil lead to desired lenght. Retract the lead after use without worrying the lead from breakage. Perfect for precise markings for sewing stitching craft and patchwork. Suitable for most colored fabrics.