Sewline-Duo Marker & Eraser. Give clear, sharp markings on fabrics and the Sewline eraser fluid will remove the ink with a simple stroke action and without damaging the fabric. The special polyether point has a medium point to give no-bleed marks on cottons and cotton blends. The large ink reservoir gives smooth laydown of ink and a longer marking life. This package contains one 5-1/2 inch long fabric marker and one 5-1/2 inch long fabric eraser. Imported.