Chaco Pen Blue w/Eraser - Water Soluble - by Clover - 5013CV Clover Chacopen with Eraser is convenient for marking and copying detailed designs for Applique, Embroidery, Handicrafts, Sewing and Quilting. Marking can be easily removed with water. This marker works well even on coarse fabrics. Pink Air Erasable-Marks will disappear automatically, it can take up to 10 days, or use the eraser end of the pen. Read Cautions and care instructions before use.