Your fabric blade, like your sewing scissors, will dull when used with paper. That’s why it’s important that a separate blade is kept on hand for cutting fabric with your Silhouette. The Silhouette fabric blade is identical to the current Silhouette blade except for its distinguishing color and should be used with Silhouette fabric interfacing (sold separately). Each package includes one fabric replacement blade and one grey ratchet cap for use with the Cameo and Portrait machines. Use this blade when cutting fabric for your latest sewing or quilting project.