Colonial Needle Company Roxanne Quilter's Choice Marking Pencils RXBPENM Roxanne Quilter's Choice Marking Pencils. This pencil is pure chalk and 100% water soluble. It contains no waxes, dyes or harmful chemicals. Chalk glides smoothly and evenly across fabric without crumbling, leaving fine visible lines to guide your quilting stitches. This package contains four pencils: 2 each white and silver.