Sew and fit your design before cutting your final fabric, helping to avoid costly mistakes. Durable, soft, and semi-transparent material for easy tracing and handling. Baste pattern pieces together and test the fit before cutting your final fabric. Ideal for creating reusable master patterns. Easily mark alterations with a pencil, felt-tip pen, or ink pen. Washable, shrink-resistant, and suitable for both steam and dry ironing. Roll size:29 inches wide by 10 yards long (74 cm × 9.1 m).