Dr. Beckmann Stain Devils for Ballpoint Ink and Felt Tip is ideal for removing ink stains from children?s clothing and shirts. When pens leak in your pocket or your children get creative with the felt tips pens, Dr. Beckmann Stain Devils for Ballpoint Ink and Felt Tip is exactly what you need to get clothes stain free. The stain specific formulation works quickly and easily removing stains in just three minutes.Directions for use: Place a clean white cloth under the garment beneath the stain and thoroughly moisten stain with the solution.Leave solution to work for 3 minutes (10 minutes for large and stubborn stains).Using a clean damp cloth dab treated area continuously until all traces of the stain and solution have been removed.