9 Classic Plastic French Curve. <br> Made of durable, rigid plastic.Slightly tinted for easy visibility on white surfaces.Strategically placed positioning holes make it easier to use.Perfect for marking armholes and necklines.Perfect for pattern alterations, garment alterations or any time a curve is needed.Essential tool for fashion designers and pattern-makers.Also excellent for graphic artists, illustrators and others who need to draw or cut smooth, curved lines.